Qualitative Analysis of Functional Groups Assignment - SCH4U h5, Chemistry, 12, University- VHS
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SCH4U h5+, Chemistry, 12, University Virtual High School Unit Assignment: Qualitative Analysis of Functional Groups Assignment Request the complete assignment now.
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Qualitative Analysis of Functional Groups Assignment - Virtual High School (V...
Procedure
1. Create a data table with the headings and test column
similar to the one on the website.
2. Do the 'Review Tests' first. Click on the test tube icon to
determine what indicates a positive or negative result and
the difference between water soluble and insoluble
compounds. Record your observations in your data table.
3. Click each test tube for the 5 unknowns you've been
assigned and record your observations in your data table.
Qualitative Analysis of Functional
Groups Assignment
Communicate an analysis of your results in a lab report. Note: there is only ONE
functional group per unknown. Refer to the "Writing a Formal Lab Report"
page of the Scientific Skills and Formatting module in the introduction unit to
ensure that you follow the proper format.
Note on Writing In Science
All information and relevant data are to be included in a logically sequenced manner. In your writing, it is important to use appropriate writing style, tone, and scientific terminology. Conduct your research using reliable, peer Reviewed and industry sources and ensure that sources listed in your reference list are directly related to information presented in your paper. Use the appropriate referencing style for science to cite your sources. For more information, see the page titled “References” in the Scientific Skills and Formatting module of the Introduction unit in your course.
Acid Base Titration Lab Assignment - SCH4U h5 - Chemistry, 12, University- VHS
SCH4U h5+, Chemistry, 12, University Virtual High School
Unit Assignment: Acid Base Titration Lab Assignment
Request the complete assignment now.
VELAVARTHIPATI PRUDHVI SAI
This document provides an example of performing an ABC analysis on a list of 10 drugs in an inventory. It lists the drugs, their unit costs, total units, and cumulative costs. Based on the cumulative costs, it categorizes the drugs into classes A, B, and C, with class A contributing the most to total costs. The analysis found that 0% of drugs fell into class A, 30% into class B, and 70% into class C.
A.sai sivani
This document presents an ABC analysis of 10 drugs in a pharmacy inventory. ABC analysis involves ranking inventory items based on their total cost and dividing them into categories. The analysis showed:
- Category A (10% of items, highest cost) included 1 drug, Amikacin injection
- Category B (40% of items, intermediate cost) included 4 drugs
- Category C (50% of items, lowest cost) included the remaining 5 drugs
The ABC analysis allows the pharmacy to prioritize inventory management efforts based on cost.
Countries’ presentation on internal quality control: Myanmar
The second lab managers’ meeting of the South-East Asia Laboratory NETwork (SEALNET) took place on 19 - 23 November 2018 in ICAR-IISS (Indian Institute of Soil Science), Bhopal, India.
Ms. Su Su Win, Soil and Plant Analysis Laboratory, Department of Agricultural Research, Myanmar (2nd Day)
V. RAGINI
This document describes an ABC analysis performed on 10 drugs in a pharmacy inventory. ABC analysis involves categorizing inventory items into A, B, and C categories based on their total cost. The analysis found that 0% of drugs fell into the A category, 10% fell into the B category, and 90% fell into the C category. The C category drugs accounted for the majority (90%) of inventory items but a smaller percentage (40.8%) of total costs. This analysis can help optimize inventory management by prioritizing control measures for higher cost items.
Countries’ presentation on internal quality control: Malaysia
The second lab managers’ meeting of the South-East Asia Laboratory NETwork (SEALNET) took place on 19 - 23 November 2018 in ICAR-IISS (Indian Institute of Soil Science), Bhopal, India.
Mr Muhammad Izzat Bin Ilmin, Lab Division, Department of Agriculture, Malaysia (2nd Day)
The EPA iCSS Chemistry Dashboard to Support Compound Identification Using Hig...
There is a growing need for rapid chemical screening and prioritization to inform regulatory decision-making on thousands of chemicals in the environment. We have previously used high-resolution mass spectrometry to examine household vacuum dust samples using liquid chromatography time-of-flight mass spectrometry (LC-TOF/MS). Using a combination of exact mass, isotope distribution, and isotope spacing, molecular features were matched with a list of chemical formulas from the EPA’s Distributed Structure-Searchable Toxicity (DSSTox) database. This has further developed our understanding of how openly available chemical databases, together with the appropriate searches, could be used for the purpose of compound identification. We report here on the utility of the EPA’s iCSS Chemistry Dashboard for the purpose of compound identification using searches against a database of over 720,000 chemicals. We also examine the benefits of QSAR prediction for the purpose of retention time prediction to allow for alignment of both chromatographic and mass spectral properties. This abstract does not reflect U.S. EPA policy.
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Qualitative Analysis of Functional Groups Assignment - Virtual High School (V...
Procedure
1. Create a data table with the headings and test column
similar to the one on the website.
2. Do the 'Review Tests' first. Click on the test tube icon to
determine what indicates a positive or negative result and
the difference between water soluble and insoluble
compounds. Record your observations in your data table.
3. Click each test tube for the 5 unknowns you've been
assigned and record your observations in your data table.
Qualitative Analysis of Functional
Groups Assignment
Communicate an analysis of your results in a lab report. Note: there is only ONE
functional group per unknown. Refer to the "Writing a Formal Lab Report"
page of the Scientific Skills and Formatting module in the introduction unit to
ensure that you follow the proper format.
Note on Writing In Science
All information and relevant data are to be included in a logically sequenced manner. In your writing, it is important to use appropriate writing style, tone, and scientific terminology. Conduct your research using reliable, peer Reviewed and industry sources and ensure that sources listed in your reference list are directly related to information presented in your paper. Use the appropriate referencing style for science to cite your sources. For more information, see the page titled “References” in the Scientific Skills and Formatting module of the Introduction unit in your course.
Acid Base Titration Lab Assignment - SCH4U h5 - Chemistry, 12, University- VHS
SCH4U h5+, Chemistry, 12, University Virtual High School
Unit Assignment: Acid Base Titration Lab Assignment
Request the complete assignment now.
VELAVARTHIPATI PRUDHVI SAI
This document provides an example of performing an ABC analysis on a list of 10 drugs in an inventory. It lists the drugs, their unit costs, total units, and cumulative costs. Based on the cumulative costs, it categorizes the drugs into classes A, B, and C, with class A contributing the most to total costs. The analysis found that 0% of drugs fell into class A, 30% into class B, and 70% into class C.
A.sai sivani
This document presents an ABC analysis of 10 drugs in a pharmacy inventory. ABC analysis involves ranking inventory items based on their total cost and dividing them into categories. The analysis showed:
- Category A (10% of items, highest cost) included 1 drug, Amikacin injection
- Category B (40% of items, intermediate cost) included 4 drugs
- Category C (50% of items, lowest cost) included the remaining 5 drugs
The ABC analysis allows the pharmacy to prioritize inventory management efforts based on cost.
Countries’ presentation on internal quality control: Myanmar
The second lab managers’ meeting of the South-East Asia Laboratory NETwork (SEALNET) took place on 19 - 23 November 2018 in ICAR-IISS (Indian Institute of Soil Science), Bhopal, India.
Ms. Su Su Win, Soil and Plant Analysis Laboratory, Department of Agricultural Research, Myanmar (2nd Day)
V. RAGINI
This document describes an ABC analysis performed on 10 drugs in a pharmacy inventory. ABC analysis involves categorizing inventory items into A, B, and C categories based on their total cost. The analysis found that 0% of drugs fell into the A category, 10% fell into the B category, and 90% fell into the C category. The C category drugs accounted for the majority (90%) of inventory items but a smaller percentage (40.8%) of total costs. This analysis can help optimize inventory management by prioritizing control measures for higher cost items.
Countries’ presentation on internal quality control: Malaysia
The second lab managers’ meeting of the South-East Asia Laboratory NETwork (SEALNET) took place on 19 - 23 November 2018 in ICAR-IISS (Indian Institute of Soil Science), Bhopal, India.
Mr Muhammad Izzat Bin Ilmin, Lab Division, Department of Agriculture, Malaysia (2nd Day)
The EPA iCSS Chemistry Dashboard to Support Compound Identification Using Hig...
There is a growing need for rapid chemical screening and prioritization to inform regulatory decision-making on thousands of chemicals in the environment. We have previously used high-resolution mass spectrometry to examine household vacuum dust samples using liquid chromatography time-of-flight mass spectrometry (LC-TOF/MS). Using a combination of exact mass, isotope distribution, and isotope spacing, molecular features were matched with a list of chemical formulas from the EPA’s Distributed Structure-Searchable Toxicity (DSSTox) database. This has further developed our understanding of how openly available chemical databases, together with the appropriate searches, could be used for the purpose of compound identification. We report here on the utility of the EPA’s iCSS Chemistry Dashboard for the purpose of compound identification using searches against a database of over 720,000 chemicals. We also examine the benefits of QSAR prediction for the purpose of retention time prediction to allow for alignment of both chromatographic and mass spectral properties. This abstract does not reflect U.S. EPA policy.
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This lab report details qualitative analysis of organic compounds to identify various functional groups. Tests were conducted to detect carboxylic acids, phenols, aldehydes, ketones, and amines. Benzoic acid, salicylic acid, benzophenone, lactose, and 4-aminoacetophenone were supplied for testing. Positive results from bicarbonate and litmus tests confirmed the presence of carboxylic acids. Ferric chloride and Fehling's solution tests identified phenolic and aldehyde groups, respectively. Ketones were detected by the formation of orange crystals with 2,4-dinitrophenylhydrazine. A red precipitate from an azo-dye test
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This lab report details tests performed on an unknown organic compound (Sample-5) to identify its functional groups. Tests showed Sample-5 reacted positively for carboxylic acid (-COOH) and ketone (-CO) groups. The carboxylic acid test involved bubbling and a color change with litmus paper. For ketones, a yellow precipitate formed with 2,4-dinitrophenylhydrazine. Other tests for phenol, aldehyde and amine groups were negative. The results indicate Sample-5 contains both a carboxylic acid and ketone functional group.
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Biology 204 Principles of Biology I Assignment 1C
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For students with first names starting with the letters O to Z.
This assignment is graded out of 110 points, and is worth 10% of your final mark. Please submit this assignment after you have completed Chapter 7 and before you write the midterm exam.
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Final Applied Lab Project-BIOL 103The Effect of low pH on Enzyme A.docx
Final Applied Lab Project-BIOL 103The Effect of low pH on Enzyme Activity
Design an experiment in which you will test the effect of an acidic fluid on enzymatic activity. Recall: enzymes are proteins! To complete this project, it may be useful for you to first review the Scientific Method Tutorial, the OLI module about pH and enzymes, Lab 1 (Introduction to Science) and Lab 4 (Enzymes). As you review Lab 4, you will be reminded that there are several factors that impact enzymatic activity: pH, temperature, and amount of reagent. It is OK to use the same enzyme/substrate/method as you did in lab 4 (but modify the treatment), but you are encouraged to search on-line to find a different enzyme/substrate/method for measuring enzyme activity for your project (include all references).
As you design your experiment for this project, please remember that you are trying to examine how an acidic fluid will modify the outcome of an enzymatic reaction. To successfully complete this project, you will need to identify the question(s) being asked in your experiment and the hypothesis that you are testing. In your experimental design, you must clearly explain what you are doing. That means that you will need to identify the enzyme, the substrate, the acidic fluid used as treatment, the control treatment and the method of measuring enzyme activity, as well as explain your experimental protocol. You must also thoroughly explain how the acidic fluid impacted enzyme activity based on the results from your own experiment as well as knowledge of enzymes and pH from the OLI modules, lab manual and potentially additional information sources.
Submit Files - Final Applied Lab Project
Top of Form
Folder
Final Applied Lab Project
Instructions
Final Applied Lab Project
Addresses course outcomes 1-4:
· recognize and explain how the scientific method is used to solve problems
· make observations and discriminate between scientific and pseudoscientific explanations
· weigh evidence and make decisions based on strengths and limitations of scientific knowledge and the scientific method
· use knowledge of biological principles, the scientific method, and appropriate technologies to ask relevant questions, develop hypotheses, design and conduct experiments, interpret results, and draw conclusions
This is the culminating lab assessment in BIOL 103. It is designed to assess your ability to apply the principles of the scientific method.
The Effect of low pH on Enzyme Activity
Design an experiment in which you will test the effect of an acidic fluid on enzymatic activity. Recall: enzymes are proteins! To complete this project, it may be useful for you to first review the Scientific Method Tutorial, the OLI module about pH and enzymes, Lab 1 (Introduction to Science) and Lab 4 (Enzymes). As you review Lab 4, you will be reminded that there are several factors that impact enzymatic activity: pH, temperature, and amount of reagent. It is OK to use the same enzyme/s ...
Umuc biology 102103 Success Begins / snaptutorial.com
Exercise 1: Data Interpretation
Dissolved oxygen is oxygen that is trapped in a fluid, such as water. Since many living organism requires oxygen to survive, it is a necessary component of water systems such as streams, lakes and rivers in order to support aquatic life. The dissolved oxygen is measured in units of ppm (parts per million). Examine the data in Table 4 showing the amount of dissolved oxygen present and the number of fish observed in the body of water the sample was taken from; finally, answer the questions below.
Post-Lab Questions
1. What patterns do you observe based on the information in Table 4?
2. Develop a hypothesis relating to the amount of dissolved oxygen measured in the water sample and the number of fish observed in the body of water.
3. What would your experimental approach be to test this hypothesis?
4. What would be the independent and dependent variables?
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Final Applied Lab Project (1 credit Lab Component) Addresses cou.docx
Final Applied Lab Project (1 credit Lab Component)
Addresses course outcomes 1-4:
· recognize and explain how the scientific method is used to solve problems
· make observations and discriminate between scientific and pseudoscientific explanations
· weigh evidence and make decisions based on strengths and limitations of scientific knowledge and the scientific method
· use knowledge of biological principles, the scientific method, and appropriate technologies to ask relevant questions, develop hypotheses, design and conduct experiments, interpret results, and draw conclusions
This is the culminating lab assessment in BIOL 102. It is designed to assess your ability to apply the principles of the scientific method.
The Effect of low pH on Enzyme Activity
Design an experiment in which you will test the effect of an acidic fluid on enzymatic activity. Recall: enzymes are proteins! To complete this project, it may be useful for you to first review the Scientific Method Tutorial, information about pH and enzymes in the text book and course modules, Lab 1 (Introduction to Science) and Lab 4 (Enzymes). As you review Lab 4, you will be reminded that there are several factors that impact enzymatic activity: pH, temperature, and amount of reagent. It is OK to use the same enzyme/substrate/method as you did in lab 4 (but modify the treatment), or you can search on-line to find a different enzyme/substrate/method for measuring enzyme activity for your project (include all references).
As you design your experiment for this project, please remember that you are trying to examine how an acidic fluid will modify the outcome of an enzymatic reaction. To successfully complete this project, you will need to identify the question(s) being asked in your experiment and the hypothesis that you are testing. In your experimental design, you must clearly explain what you are doing. That means that you will need to identify the enzyme, the substrate, the acidic fluid used as treatment, the control treatment and the method of measuring enzyme activity, as well as explain your experimental protocol. You must also thoroughly explain how the acidic fluid impacted enzyme activity based on the results from your own experiment as well as knowledge of enzymes and pH from the text book, modules, lab manual and potentially additional information sources.
Hint: Keep in mind that the acid will change the environmental conditions of the experiment (for example, a low pH value could change the shape of the active site on the enzyme protein), without directly participating in the reaction.
Lab Materials
You may need all or some of the following, depending on your experimental design:
Materials from your lab kit:
· pH paper
· hydrogen peroxide solution (you can purchase this at a pharmacy if you have used up the bottle that came with the lab kit)
· plastic beakers or cups
· vinegar
· yeast (can be purchased at grocery store if more is needed)
· balloons
· plastic bottle
· marker f ...
FINAL APPLIED LAB PROJECT (1 CREDIT LAB COMPONENT)
This document outlines the requirements for a final applied lab project assessing a student's ability to apply the scientific method. Students must design an experiment to test the effect of an acidic fluid on enzyme activity. They will measure the impact of pH on a chosen enzyme-substrate reaction. The project involves writing a paper that includes an introduction, experimental design, results, discussion, conclusion, and references. An outline is to be submitted in advance for feedback. The goal is to examine how an acidic treatment modifies an enzymatic reaction to determine if results support the hypothesis.
Umuc biology 102103 Massive Success / snaptutorial.com
Exercise 1: Data Interpretation
Dissolved oxygen is oxygen that is trapped in a fluid, such as water. Since many living organism requires oxygen to survive, it is a necessary component of water systems such as streams, lakes and rivers in order to support aquatic life. The dissolved oxygen is measured in units of ppm (parts per million). Examine the data in Table 4 showing the amount of dissolved oxygen present and the number of fish observed in the body of water the sample was taken from; finally, answer the questions below.
Post-Lab Questions
1. What patterns do you observe based on the information in Table 4?
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Biology 105 Laboratory Fall 2013
Instructor: Ayça Akal-Strader
Guidelines for Lab Report
Lab 2: Quantification of Protein (Bradford Assay)
Your report for Lab 2: Quantification of Protein (Bradford Assay) is due the week of October 7/8/9/10. Please include the following information in your report:
Hypothesis: as usual
Introduction:
• Background/theory of Bradford Assay
• Purpose of the experiment
Results:
In addition to the specific data discussed below, your Results section should always include one or more paragraphs of text that provide:
• A brief description of the procedure
• Explanations of any charts, graphs, figures, or calculations that are included
• Statements about the most interesting/noteworthy data
Data:
1. Table of measured absorbances (like Table 2 on p. 31).
2. Table showing protein concentrations of unknowns (like Table 3 on p. 31). Say which unknowns—1, 2, or both—you used.
**Please re-make the tables for your report. DO NOT simply tear out p. 31 from your lab manual and staple it to your report.
3. Standard Curve:
• Label with title and caption
• Label axes: x-axis = Concentration (μg/ml); y-axis = Absorbance at 595 nm. Be sure to include units on Concentration. Remember that absorbance (optical density; OD) has no units.
• Plot points, leaving room to plug in your unknown absorbances to find their concentrations
• Connect the dots
(Note: Do NOT draw a straight line—unless your data really looks like a straight line. The samples we measured did not fall into the “linear range” of the spectrophotometer, and everyone’s data that I saw flattened out a lot at the high concentration end of the range. Connect your data points with a curve.)
• Indicate by drawing horizontal and vertical lines how you found the concentration of your unknowns.
Discussion:
• Did your results match your expectations? If not, why not?
• Did you have any difficulty finding the concentration of any of your unknowns?
• Do you think your measurement of protein concentration was accurate? Did your duplicates agree well? For your standards, did your absorbances increase as your protein concentrations increased?
Conclusion: as usual
Lab Report Rewrites
You may rewrite TWO of your first FIVE lab reports in an effort to improve your grade.
You do not need to rewrite the entire report; just fix the problems that caused you to lose points the first time around.
You MUST hand in the original version of your report along with your corrected version. If you do not have the original attached, we will not accept your rewrite.
Your final grade on the rewritten report will be ...
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This document provides information and links for various assignments for the HPR 205 course at Ashford University, including discussion questions, laboratory exercises, quizzes, and a final project. It gives brief overviews and instructions for completing each assignment, which cover topics like homeostasis, the cardiovascular and respiratory systems, muscle fatigue, reflexes, blood pressure, the reproductive system, urinalysis, and a powerpoint presentation on a chronic disease. Students are directed to external websites to access guides and tutorials to help them successfully complete the assignments.
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This document provides information for students taking Introduction to Chemistry Principles II in Spring 2015, including instructors, teaching assistants, laboratory section details, attendance policies, required materials, the course schedule, login information, and laboratory report requirements. Students must attend at least 75% of laboratory sections and are not allowed to make up missed labs. Required materials include safety goggles, a lab coat or apron, and a laboratory notebook. The course covers topics like solutions, chemical kinetics, equilibrium, and thermodynamics through both lectures and laboratory experiments. Students will complete pre-lab questions, document their labwork, and turn in formal laboratory reports. Academic honesty is strictly enforced.
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Browse the student workshop booklet for our A Level Psychology Strong Foundations exam-skills and revision workshop. For more information on how to attend the A Level Psychology Strong Foundations workshops, please visit http://www.tutor2u.net/events/a-level-psychology-strong-foundations-workshops
Writing a lab report
The research question investigated the effect of the independent variable (IV) on the dependent variable (DV) in XXXX as measured by a specific method. The author hypothesized that if the IV was changed by specific values, the DV would change in a predictable way based on scientific theory and previous research. Experiments were conducted where the IV was systematically altered while controlling other variables, and the DV was measured. Statistical analysis of the results provided support for the hypothesis. While limitations were identified, overall the study contributed meaningful findings to the scientific question.
Writing a lab report
The research question investigated the effect of the independent variable (IV) on the dependent variable (DV) in XXXX as measured by a specific method. The author hypothesized that if the IV was changed by specific values, the DV would change in a predictable way based on scientific theory and previous research. Experiments were conducted where the IV was systematically altered while controlling other variables, and the DV was measured. Statistical analysis of the results provided support for the hypothesis. While limitations were identified, overall the study contributed meaningful findings to the scientific question.
Assignment classifying reactions report
This document provides instructions for a Year 9 science assignment on classifying chemical reactions. Students must choose a chemical reaction from a list, conduct the reaction experiment, and write a scientific report identifying the products and classifying the reaction type. The report should include an aim, hypothesis, method, results, discussion identifying the reaction type based on evidence from tests, conclusion, and bibliography. Students have access to computers on April 2nd and 3rd to work on their assignment, which is due on April 4th and will be graded based on several criteria.
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This lab report details qualitative analysis of organic compounds to identify various functional groups. Tests were conducted to detect carboxylic acids, phenols, aldehydes, ketones, and amines. Benzoic acid, salicylic acid, benzophenone, lactose, and 4-aminoacetophenone were supplied for testing. Positive results from bicarbonate and litmus tests confirmed the presence of carboxylic acids. Ferric chloride and Fehling's solution tests identified phenolic and aldehyde groups, respectively. Ketones were detected by the formation of orange crystals with 2,4-dinitrophenylhydrazine. A red precipitate from an azo-dye test
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This presentation summarizes qualitative data analysis methods in a brief manner. Read and use for your qualitative researches.
Detection and confirmation test for unknown functional group.
This lab report details tests performed on an unknown organic compound (Sample-5) to identify its functional groups. Tests showed Sample-5 reacted positively for carboxylic acid (-COOH) and ketone (-CO) groups. The carboxylic acid test involved bubbling and a color change with litmus paper. For ketones, a yellow precipitate formed with 2,4-dinitrophenylhydrazine. Other tests for phenol, aldehyde and amine groups were negative. The results indicate Sample-5 contains both a carboxylic acid and ketone functional group.
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Biology 204 Principles of Biology I Assignment 1C
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For students with first names starting with the letters O to Z.
This assignment is graded out of 110 points, and is worth 10% of your final mark. Please submit this assignment after you have completed Chapter 7 and before you write the midterm exam.
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This document contains an assignment for a fundamental organic chemistry course covering topics like drawing Lewis structures, identifying hybridization of atoms, and representing molecular structures in different line notations. The assignment includes drawing Lewis structures for formaldehyde, methanol and nitrogen gas, identifying hybridization of carbons in specific molecules, and converting between condensed and line-angle structural formulas.
Biology 204 Principles of Biology I Assignment 2C
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Detection and confirmation test for unknown functional group.
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Final Applied Lab Project-BIOL 103The Effect of low pH on Enzyme A.docx
Final Applied Lab Project-BIOL 103The Effect of low pH on Enzyme Activity
Design an experiment in which you will test the effect of an acidic fluid on enzymatic activity. Recall: enzymes are proteins! To complete this project, it may be useful for you to first review the Scientific Method Tutorial, the OLI module about pH and enzymes, Lab 1 (Introduction to Science) and Lab 4 (Enzymes). As you review Lab 4, you will be reminded that there are several factors that impact enzymatic activity: pH, temperature, and amount of reagent. It is OK to use the same enzyme/substrate/method as you did in lab 4 (but modify the treatment), but you are encouraged to search on-line to find a different enzyme/substrate/method for measuring enzyme activity for your project (include all references).
As you design your experiment for this project, please remember that you are trying to examine how an acidic fluid will modify the outcome of an enzymatic reaction. To successfully complete this project, you will need to identify the question(s) being asked in your experiment and the hypothesis that you are testing. In your experimental design, you must clearly explain what you are doing. That means that you will need to identify the enzyme, the substrate, the acidic fluid used as treatment, the control treatment and the method of measuring enzyme activity, as well as explain your experimental protocol. You must also thoroughly explain how the acidic fluid impacted enzyme activity based on the results from your own experiment as well as knowledge of enzymes and pH from the OLI modules, lab manual and potentially additional information sources.
Submit Files - Final Applied Lab Project
Top of Form
Folder
Final Applied Lab Project
Instructions
Final Applied Lab Project
Addresses course outcomes 1-4:
· recognize and explain how the scientific method is used to solve problems
· make observations and discriminate between scientific and pseudoscientific explanations
· weigh evidence and make decisions based on strengths and limitations of scientific knowledge and the scientific method
· use knowledge of biological principles, the scientific method, and appropriate technologies to ask relevant questions, develop hypotheses, design and conduct experiments, interpret results, and draw conclusions
This is the culminating lab assessment in BIOL 103. It is designed to assess your ability to apply the principles of the scientific method.
The Effect of low pH on Enzyme Activity
Design an experiment in which you will test the effect of an acidic fluid on enzymatic activity. Recall: enzymes are proteins! To complete this project, it may be useful for you to first review the Scientific Method Tutorial, the OLI module about pH and enzymes, Lab 1 (Introduction to Science) and Lab 4 (Enzymes). As you review Lab 4, you will be reminded that there are several factors that impact enzymatic activity: pH, temperature, and amount of reagent. It is OK to use the same enzyme/s ...
Umuc biology 102103 Success Begins / snaptutorial.com
Exercise 1: Data Interpretation
Dissolved oxygen is oxygen that is trapped in a fluid, such as water. Since many living organism requires oxygen to survive, it is a necessary component of water systems such as streams, lakes and rivers in order to support aquatic life. The dissolved oxygen is measured in units of ppm (parts per million). Examine the data in Table 4 showing the amount of dissolved oxygen present and the number of fish observed in the body of water the sample was taken from; finally, answer the questions below.
Post-Lab Questions
1. What patterns do you observe based on the information in Table 4?
2. Develop a hypothesis relating to the amount of dissolved oxygen measured in the water sample and the number of fish observed in the body of water.
3. What would your experimental approach be to test this hypothesis?
4. What would be the independent and dependent variables?
Psy 335 psy335
This document provides an overview and instructions for assignments in PSY 335 Research Methods. It includes instructions for completing an APA Code of Ethics activity in Week 1. In Week 2, students watch a video on nonexperimental research methods and complete a descriptive methods worksheet listing research methods and their advantages and disadvantages. They also complete a proposal worksheet developing a research topic as a team. Week 3 includes a quiz on experimental design and writing a methods paper discussing their proposal. Week 4 includes an experimental designs worksheet and developing an IRB application for their proposed study.
Final Applied Lab Project (1 credit Lab Component) Addresses cou.docx
Final Applied Lab Project (1 credit Lab Component)
Addresses course outcomes 1-4:
· recognize and explain how the scientific method is used to solve problems
· make observations and discriminate between scientific and pseudoscientific explanations
· weigh evidence and make decisions based on strengths and limitations of scientific knowledge and the scientific method
· use knowledge of biological principles, the scientific method, and appropriate technologies to ask relevant questions, develop hypotheses, design and conduct experiments, interpret results, and draw conclusions
This is the culminating lab assessment in BIOL 102. It is designed to assess your ability to apply the principles of the scientific method.
The Effect of low pH on Enzyme Activity
Design an experiment in which you will test the effect of an acidic fluid on enzymatic activity. Recall: enzymes are proteins! To complete this project, it may be useful for you to first review the Scientific Method Tutorial, information about pH and enzymes in the text book and course modules, Lab 1 (Introduction to Science) and Lab 4 (Enzymes). As you review Lab 4, you will be reminded that there are several factors that impact enzymatic activity: pH, temperature, and amount of reagent. It is OK to use the same enzyme/substrate/method as you did in lab 4 (but modify the treatment), or you can search on-line to find a different enzyme/substrate/method for measuring enzyme activity for your project (include all references).
As you design your experiment for this project, please remember that you are trying to examine how an acidic fluid will modify the outcome of an enzymatic reaction. To successfully complete this project, you will need to identify the question(s) being asked in your experiment and the hypothesis that you are testing. In your experimental design, you must clearly explain what you are doing. That means that you will need to identify the enzyme, the substrate, the acidic fluid used as treatment, the control treatment and the method of measuring enzyme activity, as well as explain your experimental protocol. You must also thoroughly explain how the acidic fluid impacted enzyme activity based on the results from your own experiment as well as knowledge of enzymes and pH from the text book, modules, lab manual and potentially additional information sources.
Hint: Keep in mind that the acid will change the environmental conditions of the experiment (for example, a low pH value could change the shape of the active site on the enzyme protein), without directly participating in the reaction.
Lab Materials
You may need all or some of the following, depending on your experimental design:
Materials from your lab kit:
· pH paper
· hydrogen peroxide solution (you can purchase this at a pharmacy if you have used up the bottle that came with the lab kit)
· plastic beakers or cups
· vinegar
· yeast (can be purchased at grocery store if more is needed)
· balloons
· plastic bottle
· marker f ...
FINAL APPLIED LAB PROJECT (1 CREDIT LAB COMPONENT)
This document outlines the requirements for a final applied lab project assessing a student's ability to apply the scientific method. Students must design an experiment to test the effect of an acidic fluid on enzyme activity. They will measure the impact of pH on a chosen enzyme-substrate reaction. The project involves writing a paper that includes an introduction, experimental design, results, discussion, conclusion, and references. An outline is to be submitted in advance for feedback. The goal is to examine how an acidic treatment modifies an enzymatic reaction to determine if results support the hypothesis.
Umuc biology 102103 Massive Success / snaptutorial.com
Exercise 1: Data Interpretation
Dissolved oxygen is oxygen that is trapped in a fluid, such as water. Since many living organism requires oxygen to survive, it is a necessary component of water systems such as streams, lakes and rivers in order to support aquatic life. The dissolved oxygen is measured in units of ppm (parts per million). Examine the data in Table 4 showing the amount of dissolved oxygen present and the number of fish observed in the body of water the sample was taken from; finally, answer the questions below.
Post-Lab Questions
1. What patterns do you observe based on the information in Table 4?
LamiaFinal data ( results).docx1- label all lanes, label ma.docx
Lamia/Final data ( results).docx
1- label all lanes, label marker sizes, and indicate which three lanes, containing at least one BSA sample and one E. coli sample, you are writing about.
2- lanes 2, 5, 6, 9, and 11 are BSA, lanes 14 and 15 are empty, and lanes 3, 4, 7, 8, 10, 12, and 13 are E. coli.
Lamia/Graphing page.pdf
Lamia/Guidelines.doc
Biology 105 Laboratory Fall 2013
Instructor: Ayça Akal-Strader
Guidelines for Lab Report
Lab 2: Quantification of Protein (Bradford Assay)
Your report for Lab 2: Quantification of Protein (Bradford Assay) is due the week of October 7/8/9/10. Please include the following information in your report:
Hypothesis: as usual
Introduction:
• Background/theory of Bradford Assay
• Purpose of the experiment
Results:
In addition to the specific data discussed below, your Results section should always include one or more paragraphs of text that provide:
• A brief description of the procedure
• Explanations of any charts, graphs, figures, or calculations that are included
• Statements about the most interesting/noteworthy data
Data:
1. Table of measured absorbances (like Table 2 on p. 31).
2. Table showing protein concentrations of unknowns (like Table 3 on p. 31). Say which unknowns—1, 2, or both—you used.
**Please re-make the tables for your report. DO NOT simply tear out p. 31 from your lab manual and staple it to your report.
3. Standard Curve:
• Label with title and caption
• Label axes: x-axis = Concentration (μg/ml); y-axis = Absorbance at 595 nm. Be sure to include units on Concentration. Remember that absorbance (optical density; OD) has no units.
• Plot points, leaving room to plug in your unknown absorbances to find their concentrations
• Connect the dots
(Note: Do NOT draw a straight line—unless your data really looks like a straight line. The samples we measured did not fall into the “linear range” of the spectrophotometer, and everyone’s data that I saw flattened out a lot at the high concentration end of the range. Connect your data points with a curve.)
• Indicate by drawing horizontal and vertical lines how you found the concentration of your unknowns.
Discussion:
• Did your results match your expectations? If not, why not?
• Did you have any difficulty finding the concentration of any of your unknowns?
• Do you think your measurement of protein concentration was accurate? Did your duplicates agree well? For your standards, did your absorbances increase as your protein concentrations increased?
Conclusion: as usual
Lab Report Rewrites
You may rewrite TWO of your first FIVE lab reports in an effort to improve your grade.
You do not need to rewrite the entire report; just fix the problems that caused you to lose points the first time around.
You MUST hand in the original version of your report along with your corrected version. If you do not have the original attached, we will not accept your rewrite.
Your final grade on the rewritten report will be ...
HPR 205 Entire Course NEW
This document provides information and links for various assignments for the HPR 205 course at Ashford University, including discussion questions, laboratory exercises, quizzes, and a final project. It gives brief overviews and instructions for completing each assignment, which cover topics like homeostasis, the cardiovascular and respiratory systems, muscle fatigue, reflexes, blood pressure, the reproductive system, urinalysis, and a powerpoint presentation on a chronic disease. Students are directed to external websites to access guides and tutorials to help them successfully complete the assignments.
Syllabus
This document provides information for students taking Introduction to Chemistry Principles II in Spring 2015, including instructors, teaching assistants, laboratory section details, attendance policies, required materials, the course schedule, login information, and laboratory report requirements. Students must attend at least 75% of laboratory sections and are not allowed to make up missed labs. Required materials include safety goggles, a lab coat or apron, and a laboratory notebook. The course covers topics like solutions, chemical kinetics, equilibrium, and thermodynamics through both lectures and laboratory experiments. Students will complete pre-lab questions, document their labwork, and turn in formal laboratory reports. Academic honesty is strictly enforced.
tutor2u Strong Foundations A Level Psychology
Browse the student workshop booklet for our A Level Psychology Strong Foundations exam-skills and revision workshop. For more information on how to attend the A Level Psychology Strong Foundations workshops, please visit http://www.tutor2u.net/events/a-level-psychology-strong-foundations-workshops
Writing a lab report
The research question investigated the effect of the independent variable (IV) on the dependent variable (DV) in XXXX as measured by a specific method. The author hypothesized that if the IV was changed by specific values, the DV would change in a predictable way based on scientific theory and previous research. Experiments were conducted where the IV was systematically altered while controlling other variables, and the DV was measured. Statistical analysis of the results provided support for the hypothesis. While limitations were identified, overall the study contributed meaningful findings to the scientific question.
Writing a lab report
The research question investigated the effect of the independent variable (IV) on the dependent variable (DV) in XXXX as measured by a specific method. The author hypothesized that if the IV was changed by specific values, the DV would change in a predictable way based on scientific theory and previous research. Experiments were conducted where the IV was systematically altered while controlling other variables, and the DV was measured. Statistical analysis of the results provided support for the hypothesis. While limitations were identified, overall the study contributed meaningful findings to the scientific question.
Assignment classifying reactions report
This document provides instructions for a Year 9 science assignment on classifying chemical reactions. Students must choose a chemical reaction from a list, conduct the reaction experiment, and write a scientific report identifying the products and classifying the reaction type. The report should include an aim, hypothesis, method, results, discussion identifying the reaction type based on evidence from tests, conclusion, and bibliography. Students have access to computers on April 2nd and 3rd to work on their assignment, which is due on April 4th and will be graded based on several criteria.
Written assignment 1 trace the scientific method in a primary scientific article
The document provides instructions for a written assignment asking students to analyze a primary scientific article describing a study investigating whether coffee prevents high blood sugar in diabetic mice. It describes the study where one group of mice was given water and one group was given coffee-water mixture for 5 weeks. Blood glucose was monitored weekly, finding a 30% lower level in the coffee group. Students are asked to outline the scientific method used, form a hypothesis, describe the study design and results, and critique the study limitations and relevance.
Written assignment 1 trace the scientific method in a primary scientific article
The document provides instructions for a written assignment asking students to analyze a primary scientific article describing a study investigating whether coffee prevents high blood sugar in diabetic mice. Students are asked to: 1) outline the scientific method steps used in the study and describe the experimental design; 2) critique the study methodology; 3) discuss the relevance of the research; and 4) submit their response of 300-400 words following APA style guidelines. The study described gave one group of mice water and another group diluted coffee for five weeks, monitoring blood glucose levels weekly. Results showed the coffee group had 30% lower blood glucose than the water group, indicating coffee may reduce diabetes risk.
Written assignment 1 trace the scientific method in a primary scientific article
The document provides instructions for a written assignment asking students to analyze a primary scientific article describing a study investigating whether coffee prevents high blood sugar in diabetic mice. It describes the study where one group of mice was given water and one group was given coffee-water mixture for 5 weeks. Blood glucose was monitored weekly, finding a 30% lower level in the coffee group. Students are asked to outline the scientific method used, form a hypothesis, describe the study design and results, and critique the study limitations and relevance.
Running Head Title1Title3TitleNameSCI 207 De.docx
Running Head: Title
1
Title
3
Title
Name
SCI 207: Dependence of man on the environment
Instructor
Date
*This template will provide you with the details necessary to finalize a quality Final Lab Report. Utilize this template to complete the Week 5 Final Lab Report and ensure that you are providing all of the necessary information and proper format for the assignment. Before you begin, please note the following important information:
1. Carefully review the Final Lab Report instructions before you begin this assignment.
2. The Final Lab Report should cover all 3 experiments from your Week Two Lab.
3. Review instructor feedback from the Week Three outline of the Final Lab Report and make changes as necessary.
4. Review the Sample Final Lab Report for an example of a final product on a different topic. Your format should look like this sample report before submission.
5. Run your Final Lab Report through Turnitin using the student folder to ensure protection from accidental plagiarism
Title
Abstract
The abstract should provide a brief summary of the methods, results, and conclusions. It should very briefly allow the reader to see what was done, how it was done, and the results. It should not exceed 200 words and should be the last part written (although it should still appear right after the title page).
Introduction
The introduction should describe the background of water quality and related issues using cited examples. You should include scholarly sources in this section to help explain why water quality research is important to society. When writing this section, make sure to cite all resources in APA format.
The introduction should also contain the objective for your study. This objective is the reason why the experiment is being done. Your final report should provide an objective that describes why we want to know the answer to the questions we are asking.
Finally, the introduction should end with your hypotheses. This section should include a hypothesis for each one of the three experiments. These hypotheses should be the same ones posed before you began your experiments. You may reword them following feedback from your instructor to illustrate a proper hypothesis, however, you should not adjust them to reflect the “right” answer. You do not lose points for an inaccurate hypothesis; scientists often revise their hypotheses based on scientific evidence following an experiment.
Materials and Methods
The materials and methods section should provide a brief description of the specialized materials used in your experiment and how they were used. This section needs to summarize the instructions with enough detail so that an outsider who does not have a copy of the lab instructions knows what you did. However, this does not mean writing every little step like “dip the pH test strip in the water, then shake the test strips,” these steps can be simplified to read “we used pH test strips to measure water pH”, etc. Additionally, this se.
viriology1) Describe and explain the structure , genomic org.docx
viriology
1) Describe and explain the structure , genomic organization , and infection cycle bacteriophages .
2) Compare and contrast ssRNA , dsRNA , and DNA phages.
3) Discuss the theories of putative virus evolution
4) Explain how viruses can evolve
5) Compare and contrast emerging and re-emerging viruses
6) Discuss 3 (re-)emerging viruses, discuss their transmission , host , epidemiology , and elaborate on the reasons for their (re-) emergence amongst other aspects
7) Explain how viruses can result in the development of cancer , and elaborate on how onco-viruses can be countered/treated
8) Discuss the purpose of virus vaccinations, , the different types of viruses , and how vaccines are developed
9) Discuss the different classes of anti-viral drugs, their use and efficacy , and how they are developed
10) Discuss the structure , function , emergency , and disease conditions of prions .
11) Describe the morphology , genomic organization , life-cycle , and pathogenesis of viruses in the family Coronaviridae , and hallmark virus from the family as a representative case
12) Describe the morphology , genomic organization , life-cycle , and pathogenesis of viruses in the family Arenaviridae ,and use a hallmark virus from the family as a representative case
13) Describe the morphology , genomic , organization , life-cycle , and pathogenesis of viruses in the family Bunyaviridae , and use a hallmark virus from the family as a representative case
14) Describe the morphology , genomic organization , life –cycle , and pathogenesis of viruses in the family Flaviviridae , and use a hallmark virus from the family as a representative cas
15) Describe the morphology , genomic organization , life –cycle , and pathogenesis of viruses in the family Filoviridae , and use a hallmark virus from the family as a representative
Name:
Date:
Instructor’s Name:
Assignment: SCIE211 Phase 5 Lab Report
Title: Identifying Environmental Hazards
Instructions: You will write a 1-page lab report using the scientific method to answer the following questions:
· Why do you see increases and decreases in the invasive species population?
· What are the implications associated with these alterations to the ecosystem as a whole?
When your lab report is complete, post it in Submitted Assignment files.
Part I: Using the lab animation, fill in the data table below to help you generate your hypothesis, outcomes, and analysis.
Years
Zebra and Quagga Mussel (density/m2)
Phytoplankton (µg/ml)
Zooplankton (µg/ml)
Cladophora Biomass (g/m2)
Foraging Fish (kilotons)
Lake Trout (kilotons)
0
3
7
10
13
15
20
Part II: Write a 1-page lab report using the following scientific method sections:
· Purpose
· State the purpose of the lab.
· Introduction
· This is an investigation of what is currently known about the question being asked. Use background information from credible references to write a short summary about concepts in the ...
Module 1 Masters Prepared Nurse Interview Guide Criteria.docx
Module 1: Master's Prepared Nurse Interview Guide
Criteria
% Value
1: Unsatisfactory
2: Less Than Satisfactory
3: Satisfactory
4: Good
5: Excellent
% Scaling
0%
80%
88%
92%
100%
Content – 70%
Introduction
5%
Introduction lacks any discernible overall purpose or organizing claim.
Introduction is insufficiently developed and/or vague. Purpose is not clear.
Introduction is clear, forecasting development of the paper.
Introduction is comprehensive; purpose of the paper is present.
Introduction is comprehensive and makes the purpose of the paper clear by restating the thesis.
Career
Overview
15%
Omits major elements and is disorganized.
Describes but fails to paint a clear picture of the nurse's career and/or progression in a logical order.
Addresses most of the primary elements of the individual's career in a logical fashion.
Addresses the primary elements. Reader can easily see purpose.
Thoroughly presents all of the information to portray a clear chronology as well as richness of detail.
Graduate
Education
15%
Omits major elements; is disorganized; and has no depth or detail.
Describes but fails to address some of the elements; lacks depth and detail.
Addresses the same elements but lacks depth and detail.
Necessary elements are present and clearly presented. Decision-making process is evident to the reader.
Thoroughly presents the process that led to the decision to seek graduate education as well as the program itself with clarity, order, and depth.
Present
Position (includes pearls of wisdom)
20%
Omits major elements; information is tangential and disorganized.
Describes but fails to address most of the primary elements in any depth.
Addresses most of the primary elements of the present position with recognition of competencies but lacks detail.
All key elements are presented with clarity.
Thoroughly presents all of the key elements of the present position with emphasis on competencies required. Describes in rich detail, and includes advice given and original insights.
Conclusion
15%
Conclusion lacks any discernible purpose.
Conclusion is insufficiently developed and/or vague.
Conclusion is clear and identifies key points of interview but fails to draw inferences.
Conclusion is clearly evident to the reader. Career opportunities are present.
Conclusion is comprehensive; paints a clear picture of the potential outcomes and career opportunities of graduate education; identifies key points of the interview; and demonstrates insight and interpretation.
Organization and Effectiveness – 20%
Thesis Development and Purpose
7%
Paper lacks any discernible overall purpose or organizing claim.
Thesis and/or main claim are insufficiently developed and/or vague; purpose is not clear.
Thesis and/or main claim are apparent and appropriate to purpose.
Thesis and/or main claim are clear and forecast the development of the paper. It is descriptive and reflective of the arguments and appropriate to the purpose.
Thesis and/or main claim are com ...
Similar to Qualitative Analysis of Functional Groups Assignment - SCH4U h5, Chemistry, 12, University- VHS (19)
Final Applied Lab Project-BIOL 103The Effect of low pH on Enzyme A.docx
Final Applied Lab Project-BIOL 103The Effect of low pH on Enzyme A.docx
Umuc biology 102103 Success Begins / snaptutorial.com
Umuc biology 102103 Success Begins / snaptutorial.com
Final Applied Lab Project (1 credit Lab Component) Addresses cou.docx
Final Applied Lab Project (1 credit Lab Component) Addresses cou.docx
FINAL APPLIED LAB PROJECT (1 CREDIT LAB COMPONENT)
FINAL APPLIED LAB PROJECT (1 CREDIT LAB COMPONENT)
Umuc biology 102103 Massive Success / snaptutorial.com
Umuc biology 102103 Massive Success / snaptutorial.com
LamiaFinal data ( results).docx1- label all lanes, label ma.docx
LamiaFinal data ( results).docx1- label all lanes, label ma.docx
Written assignment 1 trace the scientific method in a primary scientific article
Written assignment 1 trace the scientific method in a primary scientific article
Written assignment 1 trace the scientific method in a primary scientific article
Written assignment 1 trace the scientific method in a primary scientific article
Written assignment 1 trace the scientific method in a primary scientific article
Written assignment 1 trace the scientific method in a primary scientific article
viriology1) Describe and explain the structure , genomic org.docx
viriology1) Describe and explain the structure , genomic org.docx
Module 1 Masters Prepared Nurse Interview Guide Criteria.docx
Module 1 Masters Prepared Nurse Interview Guide Criteria.docx
More from Michael Taylor
Critical Essay - Virtual High School (VHS) - HZT4U
Critical Essay ‐ Political Philosophy
For this unit’s culminating activity you are asked to write an essay on one of the four major political theories discussed in this unit (i.e., either liberalism, conservatism, Marxism or libertarianism). Most importantly, this essay must be critical meaning that your main aim should be to present
both the strengths and weaknesses of your particular chosen theory so as to represent the theory objectively. You may conclude the essay by offering your opinion, however, this is not necessary.
In your essay you must consult at least 3 secondary sources and cite them both within and at the end of your essay in a proper referencing format.
The assignment should be 34 pages in length, double spaced and in Times New Roman font. You will be graded on your ability to recognise and explain both the strengths and weaknesses of the theory, write in a clear, purposeful and organised fashion and properly cite all references.
Oxidizing and Reducing Agents Lab Assignment - Virtual High School (VHS) - ...
The document describes an experiment to investigate how different solutions (acidic, neutral, basic) affect the reduction of manganese. Students are instructed to add a potassium permanganate solution to beakers containing acidic, neutral, and basic solutions of sodium hydrosulfite and observe the resulting reactions. They are asked to record initial and final pH measurements, concentrations of aqueous species, colors, and any solid materials produced. The results show that an acidic solution produces a pink color and manganese(II) ions, a neutral solution remains colorless and produces manganese dioxide, and a basic solution turns green and produces less manganese dioxide. Students are then asked to write a formal lab report following the proper scientific format and style to communicate
Issues Related to Energy Changes Assignment - Virtual High School (VHS) - SCH4U
The document provides instructions for an assignment on issues related to energy changes. Students are asked to write an opinion paper on the issue after reviewing peers' posts and teacher feedback. The paper must thoroughly research and reflect on the issue, include all relevant information and data, and be written in an appropriate scientific style with reliable sources cited using the appropriate referencing style. The document also introduces deep lake water cooling as a new technology that uses large bodies of cold water as a heat sink. It describes how the process works and provides an example of how it could be implemented in Toronto to cool large downtown buildings.
Equilibrium Assignment - Virtual High School (VHS) - SCH4U
1. The equilibrium constant for the reaction below is 0.18 at 25oC. PCl3(g) + Cl2(g) = PCl5(g)
The following concentrations were measured from the reaction vessel:
[PCl3(g)] = 0.0420
[Cl2(g)] = 0.0240
[PCl5(g)] = 0.00500
a. Is this system in equilibrium? Explain
b. If not, in which direction will the system shift?
2. Write the Solubility Product Constant (Ksp) expression for the following solution at 275 oC.
3. Given the solubility of MgF2(s) is 8.4 x 10-7 M, calculate the value of Ksp for the reaction shown in question #2 at 275 oC.
Corrosion Assignment - Virtual High School (VHS) - SCH4U
Corrosion Assignment
After reviewing the issues and opinions posted in the discussion forum by your
peers and receiving feedback from your teacher, write an opinion paper that will
show you have thoroughly researched and reflected on the issue you chose to
explore.
Be sure to include in your paper a discussion of how these substances are used
by industry to prevent corrosion. Provide examples wherever possible. Note on Writing In Science
All information and relevant data are to be included in a logically sequenced manner. In your writing, it is important to use appropriate writing style, tone, and scientific terminology. Conduct your research using reliable, peer reviewed and industry sources and ensure that sources listed in your reference list are directly related to information presented in your paper. Use the appropriate referencing style for science to cite your sources. For more information, see the page titled “References” in the Scientific Skills and Formatting module of the Introduction unit in your course.
Normal Distribution Assignment - Virtual High School (VHS) - MDM4U
2. In many situations, the normal distribution can be used to approximate the binomial distribution.
a. Explain the conditions in which this can be done, and explain why we might want to take advantage of this property.
b. Give an example of a situation in which we could do this.
c. Give an example of a situation in which we would not be able to make this approximation and explain why. 3. A species of alien has a mean height of 23 cm and a standard deviation of 3.6 cm. What is the probability that an alien chosen at random has a height of more than 20cm? 4. Researchers have observed that regular smokers have an average lifespan that is normally distributed and is 68 years with a standard deviation of 10 years. What percent of smokers will live beyond age 76? 5. The life span of a particular species of turtle are normally distributed with a mean of 180 years and a standard deviation of 40 years. What is the probability that one of these turtles will live more than a century? 6. A second species of alien has a mean height of 71 cm and a standard deviation of 5.3 cm. An alientologist discovers that 30% of them bump their heads getting into their spaceship. What is the height of the spaceship door? 7. In Bayfield, 65% of residents read the Bayfield Breeze, a local online blog. Dennis wants to know what people think of the blog, so he stops 40 people on the street to ask them if they read it. a. Verify that the normal distribution can be used to approximate this situation. b. What is the mean and standard deviation of the number of people he finds that read the Breeze? c. What is the probability that at least 25 of the people he asks read the blog? 8. Yuen Zhi is running a ring toss event at a school fair.
There is a 15% chance that each attempt wins a prize. She has 45 prizes and believes 250 people attempt the event. She is worried she won't have enough prizes. Can you reassure her she will probably be OK ? 9. We have been using the normal distribution to approximate situations that are in fact binomial
events. a. Demonstrate how accurate the approximation is by using both approaches to find the probability of the same event. b. Describe the conditions under which the normal would give a less accurate approximation. c. Explain a situation in which the criteria for using the approximation would be met, ie. np ≥ 5 and n(1 − p) ≥ 5, and yet you would decide not to use the normal distribution.
trp Operon - Virtual High School (VHS) - SBI4U
trp Operon
Recall
Cells respond to their environments by modifying gene expression.
Prokaryotic cells can individually adapt to their changing environments by
regulating the expression of their genes.
Bacteria can adjust to their environments using a special sequence of DNA
known as an operon, which controls the synthesis of protein in response to the environment. An operon has three key areas on the DNA strand: the promoter, the operator, and the transcription unit. The bacteria Escherichia coli need the amino acid tryptophan to survive. Amazingly, if tryptophan is not readily available in its environment, E. coli will actually make its own tryptophan from another compound by activating a metabolic pathway called the trp operon (trp for tryptophan). This metabolic process “shuts off’ as soon as tryptophan is readily available again. How the trp Operon Works Tryptophan is made using a sequence of five different enzymatic reactions. The genes that code for these five enzymes are clustered together on the same chromosome. A single promoter transcribes the entire cluster at once. In this way, the cell can turn “off” or “on” the entire series of functionally associated genes simultaneously. Let’s look at the molecules that cause these switches to be “on” or “off”. 1. How does gene regulation involving the trp repressor protein differ from what you observed with the lac repressor in the previous lesson? (2 points) 2. Based on your understanding of gene regulation in the cell and the function of the trp operon, describe how this process would be affected if there was a mutation in the operator region so that the operator could not carry out its function. (4 points) 3. What would be the result in this process of a genetic mutation that altered the shape of the trp repressor protein? (4 points)
Issues Related to Gene Therapy Assignment - Virtual High School (VHS) - SBI4U
After reviewing the issues and opinions posted by your peers and receiving
feedback from your teacher, write an opinion paper that will show you have
thoroughly researched and reflected on this issue. Be sure to choose a particular
disorder/disease to use as an example.
Below are a couple of links to sites that may help you in organizing your opinion
paper. If you have any questions, please contact your teacher.
Resources:
Writing a Science Paper
Writing an Opinion Essay
Note on Writing In Science
All information and relevant data are to be included in a logically sequenced
manner. In your writing, it is important to use appropriate writing style, tone, and
scientific terminology. Conduct your research using reliable, peerreviewed and
industry sources and ensure that sources listed in your reference list are directly related to information presented in your paper. Use the appropriate referencing
style for science to cite your sources. For more information, see the page titled
“References” in the Scientific Skills and Formatting module of the Introduction unit in your course.
Intersections Unit Assignment - Virtual High School (VHS) - MCV4U
MCV4Ud3—Intersections Assignment
Answer all questions with full solutions. Make sure your work is legible, even after you have scanned iT, and submit it as 0 single file.
1. The equation of a line can be determined using two points on the line.
a. Find the vector, parametricand symmetric equations of the line through the points
(-2,6,1)and(2,1,3)
b. Explain the features of the equations ofa line that is parallel to the xy plane, but does not lie on the plane, and is not parallel to any of the axes. include a Lan Graph of your line.
2. Two given lines are either parallel, skew or intersecting.
e
a. Determine, ifthere is one, the point ofintersection of the lines given by the equations (x-5)/1=(y-1)/(-2)=(z+1)/(-4) and (x-6)/3=(y-7)/2=(z-2)/(-5)
b. Give the equations of two lines that meet at the point (3,2,-4) and which meet at right angles, but do not use that point in either of the equations. Explain your reasoning and include a LanGraph of your line.
3. The equation of a plane can be determined using three points on the plane.
a. Find the vector, parametricand general equations of the plane through the points
(3,1,-2) , (-2,4,3) and (5,-1,4)
b. Give the equation ofa plane that crosses the axes at points equidistant from the origin. Explain your reasoning and include a Lan Graph of your plane.
4. A Line can either lie on a plane, lie parallel to it or intersect it.
a. Determine, ifthere is one, the point ofintersection between:
the line given by the equation (x-3)/3=(y+1)/(-2)=(z-10)/4
and the plane given by the equation [x,y,z]=[-6, 3, 6 ] +s[1, 2, 3 ] +T[2,-1,2] b. Determine the angle between the line and the plane.
c. Give the equation ofa plane and three lines, one of which is parallel to the plane, one of which lies on the plane, and one of which intersects the plane. Explain your reasoning and include a Lan Graph.
5. The angle between two planes can also be determined
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