Biotech Virtual Lab. Day 1.ppt
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The document describes an assignment for a virtual biotechnology lab on dependent and independent variables. It includes an assignment log to track assignments, explanations of independent, dependent, and controlled variables, examples to identify each, and instructions for a virtual lab experiment comparing corn crop yields with different levels of infestation by the European Corn Borer pest. Students are asked to collect data on crop yields under varying levels of infestation and record their results.
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Cellular RespirationHands-on labs, inc. Version 42-0040-00-01.docx
Cellular Respiration
Hands-on labs, inc. Version 42-0040-00-01
LAB REPORT
PHOTOS – Include the digital photos as attachments or place them right into your report.
Photo #1 - Take a photo which is a CLOSE UP of the seeds AFTER they have germinated, while still in the petri dish.
Photo #2 – Take a photo of your experimental set up with the two tubes in the glass, AT THE END. Get close enough that the results show in both tubes. Set up your tubes side by side on the same side of the glass so this can be done. You may need to put BLACK PAPER or a dark background behind the glass, to reduce glare.
Data Table 1: Oxygen Consumption Measured by Change in Water Level
Starting Level of
Water
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1 hour
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Experiment
Control
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A. Why use germinating seeds to detect cellular respiration?
B. Explain how the movement − or lack of movement − of the water in the respirometer is a reflection of cellular respiration.
Experiment
Cellular respiration
202
©Hands-On Labs, Inc.
www.LabPaq.com
C. What is the role of the NaOH-saturated ball of cotton in the respirometer? What would have
occurred if it were not in place?
D. In photosynthesis what is the reactant gas and what is the product gas?
In respiration what is the reactant gas and what is the product gas?
What is the elegant relationship between these gases and these two different processes?
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-
Take a photo which is a CLOSE UP of the seeds AFTER they have germinated, while still
in the petri dish.
Photo #2
–
Take a photo of your experimental set up with the two tubes in the glass, AT THE END.
Get close enough that the results show in both tubes. Set up your tubes side by side on the same
side of the glass so this can be done. You may need to put BLACK PA
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behind the glass, to reduce glare.
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Cellular Respiration
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LAB REPORT
PHOTOS – Incl ...
Biometry fo agricultural business managments
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THE SCIENTIFIC METHOD
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After completing this exercise, the student will be able to:
· Define and differentiate between scientific method, hypothesis, prediction, observation, experiment, controls, conclusion, theory
· Understand the nature of scientific knowledge
· Outline and explain the steps of the scientific method process
· To formulate a hypothesis and develop conclusions based on data from previous experiments
INTRODUCTION
Science can be defined as a systematic approach to acquiring knowledge. We, as humans, have many senses that we rely on to interpret our surroundings and other inhabitants of the world around us. However, sometimes these senses can “fool” us and we must rely on technical equipment and tools to conduct experiments and enhance/expand our existing senses. Science is based upon facts and evidence rather than beliefs or superstitions.
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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.
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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.
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1. What patterns do you observe based on the information in Table 4?
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Glutex 1:256 - 0.30 log reduction (50.13% kill rate)
Average reduction on CONCRETE carriers after TEN minutes:
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Glutex 1:256 - 7.82 log reduction (99.999998% kill rate)
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Cellular RespirationHands-on labs, inc. Version 42-0040-00-01.docx
Cellular Respiration
Hands-on labs, inc. Version 42-0040-00-01
LAB REPORT
PHOTOS – Include the digital photos as attachments or place them right into your report.
Photo #1 - Take a photo which is a CLOSE UP of the seeds AFTER they have germinated, while still in the petri dish.
Photo #2 – Take a photo of your experimental set up with the two tubes in the glass, AT THE END. Get close enough that the results show in both tubes. Set up your tubes side by side on the same side of the glass so this can be done. You may need to put BLACK PAPER or a dark background behind the glass, to reduce glare.
Data Table 1: Oxygen Consumption Measured by Change in Water Level
Starting Level of
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Experiment
Cellular respiration
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©Hands-On Labs, Inc.
www.LabPaq.com
C. What is the role of the NaOH-saturated ball of cotton in the respirometer? What would have
occurred if it were not in place?
D. In photosynthesis what is the reactant gas and what is the product gas?
In respiration what is the reactant gas and what is the product gas?
What is the elegant relationship between these gases and these two different processes?
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Cellular Respiration
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LAB REPORT
PHOTOS – Incl ...
Biometry fo agricultural business managments
The document defines key terms related to biometry and experimental design. It discusses that biometry involves applying statistical methods to solve biological problems and is associated with research. The document then defines basic terminologies like treatments, experimental units, variables, populations, samples, parameters, and hypotheses. It also discusses types of experimental errors, methods to estimate and control errors, and proper interpretation of experimental results. Common agricultural experiment designs like completely randomized design are also introduced.
Bioassay techniques
An Over view on Bioassay, structure & principles, types & methods of bioassay. Also mention of other assay's like biotechnology, microbio assay, immunoassay etc.
Bioassaytechniques 150116070330-conversion-gate01
Bioassay techniques involve estimating the concentration or potency of a substance using biological responses. There are three main types of bioassays: in vitro assays using cell cultures, in vivo assays using live animals, and ex vivo assays using isolated tissues. Bioassays work by comparing the biological effects of test substances to a reference standard under controlled conditions. The results are used to standardize drugs, diagnose conditions, and more. Common bioassay methods include graded response assays, end point assays, and multi-point assays using interpolation. Related techniques include ELISA assays, microbioassays, radioimmunoassays, and applications of biotechnology.
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Decon7 Crushes Glutex in Study (Salmonella on Wood and Concrete Carriers)
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