ESSAY QUESTIONS - ETHICSLewis Archer is an outside auditor who dis.pdf

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ESSAY QUESTIONS - ETHICS Lewis Archer is an outside auditor who discovered various irregularities in his recent review of Busey Energy Futures. Among other things, on review of Busey’s 401(k) investment fund, he discovered that approximately 70 percent of the funds were invested in stocks of companies that were actually set-up and owned by the members of the Busey board of directors. Further review indicates that these companies were set-up for the express purpose of hiding Busey’s own debt. Simply put, he has discovered another potential Enron situation. However, before reporting his findings to the proper authorities he calls his brother who owns an investment firm, and for whom he does some consulting work on the side. He instructs his brother to sell any stock his clients have in Busey and the shell companies. Lewis then waits a day before reporting the findings to the proper authorities. Are Lewis’s actions ethical in this case? Why or why not? Solution Lewis knows for fact that Busey is conduting illegal actions on the way they have set their company and by telling his brother this informaiton to protect his customers he is being unethical (even though he is doing it for a good cause) Even more, he waits 1 day to report this to the authorities, that is wrong. Lewis is unethical for those 2 reasons, first he tells his brother private information and second he waits 1 day to tell the proper authorities..

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Which of the following is true about the nucleolus? A)found in prokaryotic cells in place of a true nucleus B)contains membran attached ribosomes C)assembles ribosomal subunits D)all are true E)none are true If the nucleolus was removed, this would deplete the RNA in the nucleus. A)True B)Fals (Since most of the RNA in the nucleus is messenger RNA) If the nucleolus was removed synthesis of new ribosomes would not occur. A)True B)False (all the ribosomes a cell uses in its lifetime are present in the cytoplasm when the cell first forms) Which of the following is true about nuclear membran permeability? A)hydrophilic(aqueous) channels are larger than those of the plasma membrane B)large proteins can pass in and out of the nucleus in fully folded form in an aqueous solution(passage does not require hydrophobic leaders and membrane attachment) C)movement of large molecule through pores require assistance of transporter proteins D)the outer layer of the nuclear membrane is continuous with the endoplasmic reticulum, therefore large molecules produced in the nucleus can directly enter the ER lumen without needing to be transported through a membrane. E) all are true F)none are true Enzymes used for DNA replication are made on ribosomes located outside the nucleus. A)True B)Flase Solution Answer : Question number 1: The correct among all the statement is C (assembles ribosomal subunits) Explanation : Nucleolus is the darkly stained, circular suborganelle which lacks any limiting membrane and is formed during the interphase. it is site where ribosomes are manufactured..

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1. The gene OCA2 on chromosome 15 confers eye color in humans. The most common phenotype is brown eyes (BB). A recessive allele of the OCA2 results in blue eyes (bb). Wilson has brown eyes and Mia has blue eyes. What is the probability that Wilson and Mia’s child will have blue eyes? 2- Emma finds a small lump in her breast and goes to her physician, who takes a medical and family history. She mentions that her father died of brain cancer, a cousin had leukemia, and her older sister was just diagnosed with a tumor of connective tissue. The doctor assures her that the family cancer history doesn’t raise the risk that her breast lump is cancerous, because the other cancers were not in the breast. Is the doctor correct? 3- . In X-linked inheritance disorders the females are usually the carriers whereas the males are the affected. Give your reason 4- Explain the connection between cancer and control of cell cycle Solution 1. The gene OCA2 on chromosome 15 confers eye color in humans. The most common phenotype is brown eyes (BB). A recessive allele of the OCA2 results in blue eyes (bb). Wilson has brown eyes and Mia has blue eyes. The probability that Wilson and Mia’s child will have blue eyes is 1:4 2. The doctor is not correct in saying that because the other cancers were not breast cancers, her breast lump is not cancerous. The genes are inherited from parents in gametes and combine in the zygote. Single zygote divide and differentiate to form a complete individual and the DNA is constant is each and every cell. Thus, each cell carries the mutation in tumor suppressor gene or the oncogenes and each cell is equally susceptible to be cancerous. 3. In X-linked inheritance disorders, the females are usually the carriers whereas the males are the affected. The humans have heterogametic males and homogametic females i.e., female carries two X-chromosomes and male have only one X-chromosome. In the case of X-linked recessive disorders, the other X-chromosome carrying dominant gene mask the expression of the mutant allele on the other X-chromosome and thus, the disease do not manifest. However, in males the mutant allele on the X-chromosome of the heterogametic male results in the diseased male. 4. The connection between cancer and control of cell cycle: Cancer cells exhibit uncontrolled growth due to lack of contact inhibition. The uncontrolled growth is a result of lack of control of the cell cycle..

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What is the three point notation? Solution In a 3D Cartesian coordinate system, a point P is referred to by three real numbers (coordinates), indicating the positions of the perpendicular projections from the point to three fixed, perpendicular, graduated lines, called the x,y,z axes respectively which intersect at the origin. Any point P can be denoted as P(x,y,z) , where x,y,z are the perpendicular distance of point P from x,y,z axis respectively. The way of representing the point in 3D co-ordinate is done by three point notation..

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What is SOPA? Discuss SOPA development and enforcement. Solution SOPA means The Stop Online Piracy Act (SOPA), also known as House Bill 3261, is legislation introduced in the United States House of Representatives to enforce current laws that make stealing intellectual property and trafficking in counterfeit goods illegal. SOPA is opposed by many of the internet users. It was maintained with some standards and it is mainly dependent on many issues for internet service providers, search engines, payment issues, internet advertising networks etc., The second major factor was an online protest on January 18, 2012, organized by entities with an Internet presence. The Englishlanguage site of Wikipedia, the online encyclopedia, blocked its content and referred users to information about SOPA..

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Walking through the forest you come to a dry creek bed, and notice that there are many types of fungus growing on the north-facing sides of the larger rocks. Come up with a hypothesis to explain this, and an experiment to test your hypothesis. Your experiment can be very simple, and can be set up indoors or outdoors, but you do need to be very specific about what data you will record in order to know if you have or have not found evidence in support of your hypothesis. (10 marks) Has to have a hypothesis and the actual experiment that you would do to conduct this to prove your hypothesis. \"you do need to be very specific about what data you will record in order to know if you have or have not found evidence in support of your hypothesis.\" The steps include: -observations -hypothesis -experimentation the data -conclusion Solution OBSERVATION; Firstly we have to observe and then summerize about the information. First we have to observe that what kind of fungus is grown, where it is grown, how many different kinds of fungus is there, in which condition they are grown. Fungi are molds and mushrooms. They are the multicellular and filamentous specialized complex cells. thet mostly absorb the food materials. we observe that fungus mostly grows in wet areas as well dry areas. In forests during rainy season weobserve that fungus grows on the branches of the tree, under the rocks, near the roots of the plants etc.Here we observe that the species of moss that grow on trees will also grow on the north side of rock. if the try is not totally exposed to sun and shelthered by other trees. because it is shady and cool\".more moss grows grows where more water and moisture is retained moss growingin this location which is a major requirement for it to survive. If the moss is on a tree that is heavily sheltered by other trees in can grow on any side because the moss is protected from the wind and sun which would remove the water moisture from the moss HYPOTHESIS; The hypothesis that the fungus or the moss mostly grows in wet areas where lots of water is there and cool areas. Moasses generally require lots of water because they cant supply water well.Mosses needs lots of water to reproduce. the hypothesis is fungus grows in north side because the north side is cooler and shadier when compare to other areas. Moss dose not grow always in the north side sometimes it grows in other where there is moist area and cool and tree will be moister or cooler than the north side due to local shading or moisture which is enough to grow the fungus or moss in that areas. EXPERIMENTATION THE DATA; In this experiment we observe that the fungus grows in north areas because mostly north areas are moist and cool. it is not important always the fungus to be grown is north area because we observed that fungus only grows in the moist area. it means the fungus can grow in other places also where there is moist and shady. In south side of trees get more light throughout the day, leavi.

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What does decrease in water potential mean? (Lower negative value?) What does decrease in water potential mean? (Lower negative value?) Solution Answer: Water potential is a physical property of water that determines the direction that water will flow. Pure water (distilled) has zero potential. Addition of solute decreases water potential whereas or application of pressure increases the water potential. Decrease in water potential means increase in solute concentration and/or decrease in pressure. Water moves from higher potential to lower potential..

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Understand and describe the following technologies: Flow Cytometry, Western Blots, Immunodiffusion (Ouchterlony), precipitation, agglutination and ELISA (be able to relate the ELISA assay to a pregnancy test strip). Solution FLOW CYTOMETRY:- It is a technique used to determine the physical and chemical characteristics of particles that are fluorescently labelled and placed in a fluid which when is being passed through at least one laser emit light at varying wavelengths. WESTERN BLOTS:- It is an analytical technique used to detect specific proteins in a sample of tissue homogenate or extract.It is often referred to as \"protein immunoblot \". IMMUNODIFFUSION:- It is a diagnostic test for detecting/measuring antibodies & antigens by their precipitation that involves diffusion through a gel or medium called \'agar\'.This technique was developed by Ouchterlony. It is of two forms: ouchterlony double immunodiffusion & radial immunodiffusion or Mancini method. PRECIPITATION:- It is a technique involving interaction of antibodies & antigens where two soluble reactants assemble to make one insoluble product \'precipitate\' leading to the formation of lattices. AGGLUTINATION:- This method is used to detect antigens or antibodies in bodily fluids such as blood,saliva,urine,cerebrospinal fluid. The sample in this method is mixed with latex beads coated with a specific antibody or antigen.It\'s 3 classification- direct agglutination test, indirect agglutination test, hemagglutination assay. ELISA:- Its an \"enzyme -linked immunosorbent assay\". This test detect & measures antibodies in our blood.Its useful in HIV,Lyme disease, pernicious anemia,etc. diagnosis. In relation, to pregnancy test strip this test is used to determine if your blood or urine contains a hormone called human chorionic gonadotropin (hCG) which is produced right after a fertilised egg attached to the wall of woman\'s uterus..

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1. What would determine protein levels in cells? 2.Draw a hypothetical strand of bacterial DNA containing a gene. 3.Draw and label all components that are required for transcription and translation to a peptide. 4.Briefly describe the function of each component. Solution Q.No 1 Accurate measurement of the amount of specific protein a cell produces is important for investigating basic molecular processes.Protein levels can be quantified using a fluorescent reporter. Relative protein levels can be quantified in single living cells. Genome editing allows for quantification of endogenous protein levels. Q.No 2 5\'-GTGTCCGTCTAATATTGTGAGATGTTATATCCCGCCGTCAACACCATCAA-3\' 3\'-CACAGGCAGATTATAACACTCTACAATATAGGGCGGCAGTTGTGGTAGTT-5\' 5\'-ACAGGATAATCGCCTGCTGGGGCAAAGGCGGTGAAGGTAAAGGTGTTGCC-3\' 3\'-TGTCCTATTAGCGGACGACCCCGTTTCCGCCACTTCCATTTCCACAACGG-5\' Q.No 3 DNA ------------------- RNA ------------------- Protein Transcription Translation (DNA, Helicase ) (mRNA,tRNA,codons,aminoacid, ribosomes) Q.NO 4 Amino acids – twenty molecules that are the building blocks of proteins. String of amino acids make up protein’s primary structure. Anticodon – a sequence of three nucleotides on a tRNA molecule that bond to a complementary sequence on an mRNA molecule. The anticodon sequence determines the amino acid that the tRNA carries. Codon – a sequence of three nucleotides on a mRNA molecule that encode a specific amino acid Cytoplasm - The organelles of eukaryotic cells, such as mitochondria, the endoplasmic reticulum, and (in green plants) chloroplasts, are contained in the cytoplasm. DNA - the molecule that stores and encodes an organism’s genetic information. DNA is a double helix molecule made up of two twisted strands that are held together by hydrogen bonds between paired nucleotides. The two strands are chemically oriented in opposite directions. messenger RNA (mRNA) – a type of RNA that conveys genetic instructions on how to assemble proteins from the cell’s DNA to its protein-making machinery. mRNA contains a copy of one or a few genes from a cell’s chromosome. nucleotides - the building blocks of DNA and RNA molecules that contain the cell’s genetic code. Adenosine, cytidine, guanosine, thymidine, and uridine are all nucleotides. Nucleus - The jellylike material that makes up much of a cell inside the cell membrane, and, in eukaryotic cells, surrounds the nucleus. Ribosomes A ribosome is a molecular machine that coordinates protein assembly. Ribosomes are composed of several proteins with tightly coiled RNA (called ribosomal RNA or rRNA) wrapped around them. RNA polymerase – It sis an enzyme that produces primary transcript RNA. In cells, RNAP is necessary for constructing RNA chains using DNA genes as templates, a process called transcription. transfer RNA (tRNA) – a type of RNA that is folded into a three-dimensional structure. tRNA carries and transfers an amino acid to the polypeptide chain being assembled during translation..

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Tversky and Kahneman1 asked a group of subjects to carry out the following task. They are told that: Linda is 31, single, outspoken, and very bright. She majored in philosophy in college. As a student, she was deeply concerned with racial discrimination and other social issues, and participated in anti-nuclear demonstrations. The subjects are then asked to rank the likelihood of various alternatives, such as: (1) Linda is active in the feminist movement. (2) Linda is a bank teller. (3) Linda is a bank teller and active in the feminist movement. Tversky and Kahneman found that between 85 and 90 percent of the subjects rated alternative (1) most likely, but alternative (3) more likely than alternative (2). Is it? They call this phenomenon the conjunction fallacy, and note that it appears to be unafected by prior training in probability or statistics. Is this phenomenon a fallacy? If so, why? Can you give a possible explanation for the subjects\' choices? Solution Let the events A = ``Linda is a bank teller\'\' and B = ``Linda is active in the feminist movement\'\'. Since alternative (3) corresponds to the event \"A and B\", it\'s less likely than alternative (2) which corresponds to the event \"B\" ( event \"A and B\" is obviously a subset of event \"B\")..

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Characteristics of animals and fungi Classify the following characteristics to describe the similarities and differences between animals and fungi. Solution Eukaryotic - both animas and fungi. As their cells posses nucleus. Contain mycelium with hyphae : fungi. Mycelium is vegetative structures of fungi. Cell walls contain chitin : fungi. N - acetylglucosamine polymer. Cell wall not present in animals. Contains no cell wall - animals. Cell wall is characteristic feature of plant cells. Heterotrophic : ingest food : animals. Known as holozoic nutrition. Does not have chloroplast and chlorophyll pigment thus cannot make their own food. Consume preformed organic matter : both animals and fungi. Just one ingests and other absorbs. Heterotrophic : saprotropic and absorbs food - fungi. This is a chemoheterotropic mode of nutrition. Store energy as glycogen : animals. As they store food in a form which does not solubilize when in contact with water..

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The lour valence electron of the alkali metals (first element in each row of the periodic table) is well described by hydrogen is wave function. Consider the 3p excited state of the sodium valence electron. Is this level split by the spin-orbit interaction, and if yes, into how many levels? Solution Yes. This level (3p) is split by spin orbit interaction. 3p level split into two levels (3p1/2 and 3p3/2). These levels are called sodium duoblets..

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Specify the various types of individuals a jail holds in addition to those awaiting arraignment or trial. Solution Answer : One such person might be a mentally ill individual who might be transferred to a mental health facility for evaluation or an individual sentenced to a state or federal prison system who is awaiting transfer. Those who have absconded while on bail are arrested and readmitted to jail. Inmates serving sentences under one year and those in a community-based program with day reporting are present in the jail. Moreover, jails maintain a diverse population of o²enders in conjunction with those awaiting court hearings..

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Random assortment of chromosomes is one of the processes by which genetic variation is generated. Explain what the process means and how new variation is produced as a consequence of random assortment. Solution Each organism has two sets of chromosomes: one from father and one from mother. In meiosis process, the cells have to divide in haploid way which occurs in meiosis I. the homologous chromosomes from mother and father get divides and form new cells of having haploid chromosomes. During that process, the maternal chromosome does not separate equally while paternal equally separates. The unequal separation of maternal chromosome leads one cell has more maternal chromosome than the second one. That called as random assortment of chromosomes. That also brings variations because unequal distribution; if a thing equally distributes to its associates then there is no variations. Therefore, the progeny who will get such type of chromosomes will have variations. The other factor during random assortment is homologous recombination. During anaphase I of meiosis, the homologous chromosomes recombine together and provide each other their parts. That also brings variations through unequal distributions. The random assortment of chromosomes is opposite to independent one of Mendel. Independent tells about equal distributions, which brings no variation..

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Bacteriophage T2 normally infects the different E. coli strains. B and C. However, certain mutations, designated r, block growth on strain B. Ten r mutations were mapped by two-point recombination frequencies to a small region of the T2 chromosome, shown below. When the ten r mutants were tested for complementation by mixed-infection of strain B, certain pairs could kill the B host (+), while other pairs failed to grow completely (-), Assuming the mutations a, b, and c are known to lie in the genes A, B. and C. use the complementation data in the table below to mark gene boundaries on the genetic map. Do the data reveal the presence of a fourth gene in this region? If so, please show it\'s location on the map. Solution Crosses between strains which produce wild type progenies, suggest that these genes are present in different gene. On the basis of this we would determine the following boundaries: agdj are present in one gene because crosses between these gene are producing mutant progenies; representing cis effect. The other genes are bh, efi and kc. Therefore, there are four different genes. Agdj, bh, efi and kc..

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