Biology and Genetics

You have a population of spiders that have two generations per year, one in the

You have a population of spiders that have two generations per year, one in the spring and one in the fall. There is a locus that controls the spider’s response to temperature, wi…

You have a pressure cooker (in which you cook food with liquid at high pressures

You have a pressure cooker (in which you cook food with liquid at high pressures), and notice in the directions the corresponding temperature for each pressure setting (see table …

You have a protein. Its molecular weight is 144,000. If you treat the native pro

You have a protein. Its molecular weight is 144,000. If you treat the native protein with either mercaptoethanol or urea, the molecular weight is unchanged. If you treat the nativ…

You have a recently accepted position at a home health agency that provides 24-h

You have a recently accepted position at a home health agency that provides 24-hour care to a qualified patient. You are assigned a patient who has care provided by an RN during t…

You have a sample muscle where the intracellular concentrations of K + and Na +

You have a sample muscle where the intracellular concentrations of K+ and Na+are 170 mM and 13 mM respectively. Your extracellular concentrations are 5.5 mM for K+ and 220 mM for …

You have a sample of small single-stranded DNA (ssDNA) molecule that you will us

You have a sample of small single-stranded DNA (ssDNA) molecule that you will use as a primer for Polymerase Chain Rection (PCR). you dissolved the dried ssDNA pellet in Tris-EDTA…

You have a sample of ssDNA molecule that you will use as a primer for PCR. You d

You have a sample of ssDNA molecule that you will use as a primer for PCR. You dissolved the dried ssDNA peller in TE to a total volume of 400 ul to make a "stock DNA sample." You…

You have a segment of DNA that contains the following sequence TCCGAAA-3 You kno

You have a segment of DNA that contains the following sequence TCCGAAA-3 You know that the RNA transcribed from this segment contains the following sequence UUCCGAAA-3 Which of th…

You have a segment of DNA that contains the following sequence: 5\'-GGACTAGACAAT

You have a segment of DNA that contains the following sequence: 5'-GGACTAGACAATAGGGACCTAGAGATTCCGAAA-3' 3'-CCTGATCTGTTATCCCTGGATCTCTAAGGCTTT-5' You know that the RNA transcribed f…

You have a single cell of one of the organisms below. Assume that the cell is in

You have a single cell of one of the organisms below. Assume that the cell is in a closed environment with only 3 molecules of glucose available to it and is currently in the lag …

You have a soil sample taken from the front of the SR 1 building, you want to is

You have a soil sample taken from the front of the SR 1 building, you want to isolate nitrifying bacteria it they convert NH_4*' energy source to NO_2) from the thousands of Other…

You have a solution containing the following proteins Protein pI Mol. Weight, kD

You have a solution containing the following proteins Protein pI Mol. Weight, kDa Protein 1 4.2 125 Protein 2 5.7 32 Protein 3 9.6 10 Protein 4 3.2 45 Protein 5 12.0 60 1) You loa…

You have a solution containing the following proteins Protein pI Mol. Weight, kD

You have a solution containing the following proteins Protein pI Mol. Weight, kDa Protein 1 4.2 125 Protein 2 5.7 32 Protein 3 9.6 10 Protein 4 3.2 45 Protein 5 12.0 60 1) You loa…

You have a solution with a protein concentration of 12 mg mL -1 . The total volu

You have a solution with a protein concentration of 12 mg mL-1. The total volume of this solution is 18 mL. What is the total amount of protein (in mg to 2 s.f.)? The molecular we…

You have a strain of Neurospora that is unable to synthesize histidine and thus

You have a strain of Neurospora that is unable to synthesize histidine and thus requires H in the media in order to grow. You have isolated one revertant colony.Predict the expect…

You have a subject with the following ABGs sampled at rest: PO2 65, PCO2 42, FIO

You have a subject with the following ABGs sampled at rest: PO2 65, PCO2 42, FIO2 0.35, PBar 690 mm Hg. Next you perform an exercise test & measure a minute ventilation of 13 …

You have a subject with the following measurements: Highest pressure at the mout

You have a subject with the following measurements: Highest pressure at the mouth during inspiration = 40 cm H2O, highest pressure in the alveoli during inspiration = 30 cm H2O, e…

You have a summer job with NASCAR as part of an automobile tire testing team. Yo

You have a summer job with NASCAR as part of an automobile tire testing team. You are testing a new model of racing tires to see whether or not the coefficient of static friction …

You have a suspension of homogenized liver cells supplied with ample phosphate,

You have a suspension of homogenized liver cells supplied with ample phosphate, ADP, GDP, O_2 and a trace of CO_2. It is in a sealed vessel so that no gases enter or exit. Its mit…

You have a water well at your house. You do not pump water out of the well (i.e.

You have a water well at your house. You do not pump water out of the well (i.e., you do not use the well). You can use a measuring stick to monitor the elevation of the water lev…

You have a wild type strain of yeast that grows well at any temperature between

You have a wild type strain of yeast that grows well at any temperature between 10C and 37C. You mutagenize wild-type haploid (mat a) yeast and immediately plate about 200 cells o…

You have access to a DNA microarray for humans. You use that microarray to analy

You have access to a DNA microarray for humans. You use that microarray to analyze samples from several healthy individuals and several individuals affected by an illness that cau…

You have access to a PCR machine and all the reagents, ( primers, Taq polymerase

You have access to a PCR machine and all the reagents, (primers, Taqpolymerase etc). You do the PCR reaction on your unknown DNA and you sequenced the PCR product. The sequence yo…

You have an African American client who may be eligible for a clinical trial of

You have an African American client who may be eligible for a clinical trial of a new medication. In light of what happened with the Tuskegee Syphilis Study how should you proceed…

You have an F- strain of E. coli that is resistant to streptomycin (Str(r)) but

You have an F- strain of E. coli that is resistant to streptomycin (Str(r)) but requires the following amino acids for growth on minimal medium: arginine, cysteine, methionine, ph…

You have an enzyme, its substrate, and a small molecule. If you perform a reacti

You have an enzyme, its substrate, and a small molecule. If you perform a reaction with the enzyme and substrate, you can detect lots of product after 5 minutes. If you perform a …

You have an enzyme, its substrate, and a small molecule. If you perform a reacti

You have an enzyme, its substrate, and a small molecule. If you perform a reaction with the enzyme and substrate, you can detect lots of product after 5 minutes. If you perform a …

You have an impermeable membrane bag (i.e. nothing gets through its walls). You

You have an impermeable membrane bag (i.e. nothing gets through its walls). You insert ACh receptors into the wall of this bag. The ACh receptors are from a synapse that forms IPS…

You have an impermeable membrane bag (i.e. nothing gets through its walls). You

You have an impermeable membrane bag (i.e. nothing gets through its walls). You insert ACh receptors into the wall of this bag. The ACh receptors are from a synapse that forms IPS…

You have an odd friend: she is convinced that she can lose weight on a diet cons

You have an odd friend: she is convinced that she can lose weight on a diet consisting entirely of walrus blubber (she read it on Wikipedia so it must be true, right?!). Aside fro…

You have an odd friend: she is convinced that she can lose weight on a diet cons

You have an odd friend: she is convinced that she can lose weight on a diet consisting entirely of walrus blubber (she read it on Wikipedia so it must be true, right?!). Aside fro…

You have an odd friend: she is convinced that she can lose weight on a diet cons

You have an odd friend: she is convinced that she can lose weight on a diet consisting entirely of walrus blubber (she read it on Wikipedia so it must be true, right?!). Aside fro…

You have an odd friend: she is convinced that she can lose weight on a diet cons

You have an odd friend: she is convinced that she can lose weight on a diet consisting entirely of walrus blubber (she read it on Wikipedia so it must be true, right?!). Aside fro…

You have an oligonucleotide probe that hybridizes to part of gene A from a eucar

You have an oligonucleotide probe that hybridizes to part of gene A from a eucaryotic cell. You can use this probe to isolate a corresponding plasmid from a DNA library harbored b…

You have an oligonucleotide probe that hybridizes to part of gene A from a eukar

You have an oligonucleotide probe that hybridizes to part of gene A from a eukaryotic cell. In order to carry out your work you need to make a DNA library. You have the choice of …

You have an unknown bar magnet and you want to label the poles N and S. Which is

You have an unknown bar magnet and you want to label the poles N and S. Which is NOT a way you could determine the poles? Select one: a. Find the pole attracted to the south pole …

You have an unmodified peptide that has a pI of 8.5. You then modify this peptid

You have an unmodified peptide that has a pI of 8.5. You then modify this peptide such that one of the side chains in this peptide becomes phosphorylated. What would you expect th…

You have asked to participate in a research study on infant nutrition. As this i

You have asked to participate in a research study on infant nutrition. As this is a new area of focus for you, you need to refresh your memory on infant nutrition. One of your ver…

You have assayed the activity of amylase under two separate NaCl concentration:s

You have assayed the activity of amylase under two separate NaCl concentration:s The starting concentration of your starch solution is 1.75 mg/ml, and 15 ml of starch was combined…

You have available an Hfr lac - ala + vitB + tet s strain of E. coli and an F -

You have available an Hfr lac-ala+vitB+tetsstrain of E. coli and an F-lac+ala-vitB-tetsstrain. You also have P1 transducing phage and a tube of plasmids with a gene for tetracycli…

You have become increasingly concerned about the expansion of antibacterial resi

You have become increasingly concerned about the expansion of antibacterial resistance in human pathogens. As a result you would like to establish a pharmaceutical start-up compan…

You have become increaslinly concerned about the expansion of antibacterial resi

You have become increaslinly concerned about the expansion of antibacterial resistance in human pathogens. As a result you would like to establish a pharmaceutical start-up compan…

You have become interested in antigen presentation and processing, and decide to

You have become interested in antigen presentation and processing, and decide to pursue this interest in graduate school. You join a lab that has just crossed two well-characteriz…

You have been a staff nurse for the 3 years since your graduation from nursing s

You have been a staff nurse for the 3 years since your graduation from nursing school. Your original career plan was to work 3 years on a general medical unit and then transfer to…

You have been analyzing a gene that is expressed in normal breast epithelial cel

You have been analyzing a gene that is expressed in normal breast epithelial cells. You have recently realized that the gene is not expressed in some breast tumor cells (no mRNA i…

You have been appointed to a task force in your health agency to study the futur

You have been appointed to a task force in your health agency to study the future of health information management with a specific emphasis on nursing. Your agency plans to make a…

You have been asked by an environmental advocacy group to help them determine wh

You have been asked by an environmental advocacy group to help them determine whether a proposed new power plant would be expected to have a greater or lower impact on air quality…

You have been asked by your health care organization to provide a detailed repor

You have been asked by your health care organization to provide a detailed report on the benefits of implementing a new health information technology system to comply with the cur…

You have been asked to analyze your hospitals medical records to look for reason

You have been asked to analyze your hospitals medical records to look for reasons behind an unexplained spike in deaths. summary of how you would approach this problem. Questions …

You have been asked to clone the first enzyme of the leucine biosynthesis pathwa

You have been asked to clone the first enzyme of the leucine biosynthesis pathway from E. coli. To accomplish this objective, you have decided to purify the genomic DNA and treat …