Biology and Genetics

You started hiking the Appalachian Trail at Springer Mountain in Georgia. You fi

You started hiking the Appalachian Trail at Springer Mountain in Georgia. You finally reach Maine, the last state on the Appalachian Trail. Wanting to know how mu Ch further you h…

You started work in a transcription lab working a with a novel bacteria phage. Y

You started work in a transcription lab working a with a novel bacteria phage. You isolated an enzyme that has RNA polymerase activity, and you discovered that your new viral RNA …

You started work in a transcription lab working a with a novel bacteria phage. Y

You started work in a transcription lab working a with a novel bacteria phage. You isolated an enzyme that has RNA polymerase activity, and you discovered that your new viral RNA …

You stimulate a neuron and elicit an action potential, shown in the left graph b

You stimulate a neuron and elicit an action potential, shown in the left graph below (the y-axis is mV). Then you foolishly leave your prep sitting out while you go grab something…

You strength and conditioning coach injured his arm helping the baseball team wi

You strength and conditioning coach injured his arm helping the baseball team with some workouts. His physician has indicated that he cannot work on Wednesday and Friday afternoon…

You study a diploid population of 100 soapberry bugs. These bugs have different

You study a diploid population of 100 soapberry bugs. These bugs have different beak lengths. The locus for beak length (B) has 2 alleles, long (L) and short (S). You observe the …

You study a novel peptide important for seasonal behavior in caribou. Using anti

You study a novel peptide important for seasonal behavior in caribou. Using antibodies to the glandular organ where its transcript is expressed, and a second location in the nasal…

You study a small population of birds on one very isolated island and notice tha

You study a small population of birds on one very isolated island and notice that the frequency of individuals with a green band on their wings increases over the course of 3 year…

You study a transmembrane protein that is trafficked through the endoplasmic ret

You study a transmembrane protein that is trafficked through the endoplasmic reticulum but ultimately “lives” in the plasma membrane. Suppose the domain of this protein which is e…

You study ligand binding to two proteins, A and B. You measured the concentratio

You study ligand binding to two proteins, A and B. You measured the concentration, [PL], of the ligand-bound form of the protein at various ligand concentrations, [L_t]. The data …

You successfully amplify the psy2 sequence and wish to clone the PCR fragment in

You successfully amplify the psy2 sequence and wish to clone the PCR fragment into vector 2 in order to express it in yeast. The cloning sites available on this vector are shown b…

You supply a 5 gram wood mouse with 79 kJ of energy. The mouse excretes 2 g of w

You supply a 5 gram wood mouse with 79 kJ of energy. The mouse excretes 2 g of waste (with 10 kJ/g) and spends 10 kJ/g/h while resting in its burrow for 20 hours. The mouse spends…

You survey a population of cotton rats at the UH Coastal Center for variation at

You survey a population of cotton rats at the UH Coastal Center for variation at a SNP locus. You find 30 individuals that are A/A, 71 are A/G and 67 are G/G. What is the frequenc…

You survey a population of cotton rats at the UH Coastal Center for variation at

You survey a population of cotton rats at the UH Coastal Center for variation at a SNP locus. You find 30 individuals that are A/A, 71 are A/G and 67 are G/G. a. What is the frequ…

You suspect a particular gene (gene z) is responsible for promoting tumor growth

You suspect a particular gene (gene z) is responsible for promoting tumor growth in individuals who have high fat diets. Propose a mouse model (GEM) that you would develop to stud…

You suspect that there is a signal peptide in PepY and you will use an HMM to pr

You suspect that there is a signal peptide in PepY and you will use an HMM to predict its position. The model and parameters are given in the graph below. Note in the figure ‘S’ s…

You suspect that there is a signal peptide in PepY and you will use an HMM to pr

You suspect that there is a signal peptide in PepY and you will use an HMM to predict its position. The model and parameters are given in the graph below. Note in the figure ‘S’ s…

You suspect you are anemic and your physician orders some tests. He finds that y

You suspect you are anemic and your physician orders some tests. He finds that your hemoglobin is 13g %. The molecular weight of hemoglobin is 66,500 gmol^-1. A. What is the conce…

You take a 30 ml sample of pond water and test it with yoursampling kit. You fin

You take a 30 ml sample of pond water and test it with yoursampling kit. You find that the water contains 20 ppm ofphosphates. You weight the sample and find that its mass is31 g.…

You take a bacterial sample from a student\'s unwashed hands. You take a bacteri

You take a bacterial sample from a student's unwashed hands. You take a bacterial sample from a student's unwashed feet. These samples give rise to an experimental design that inc…

You take a big bite of a juicy apple freshly picked at one of the local southern

You take a big bite of a juicy apple freshly picked at one of the local southern Illinois orchards. Sequence the following structural components of the alimentary canal (a.k.a. ga…

You take a sample of water that is at room temperature and in contact with air a

You take a sample of water that is at room temperature and in contact with air and put it under a vacuum. Right away, you see bubbles leave the water, but after a little while, th…

You task is to research and find one product that has antimicrobial properties/i

You task is to research and find one product that has antimicrobial properties/ingredients. There b a catch the product's purpose CANNOT be designed to have antimicrobial properti…

You teel as though you have a fever, so you take your temperature. You leave the

You teel as though you have a fever, so you take your temperature. You leave the thermometer in place for 1.5 minutes. Will this provide an accurate assessment of your temperature…

You test bleach (pH 13) with red litmus paper. What color would you expect to se

You test bleach (pH 13) with red litmus paper. What color would you expect to see? Green Blue Red Yellow Question 2 Select one answer. Which of these is closest to a neutral pH? b…

You test-cross plants you suspect to be AaBb dihybrids and look at 100 offspring

You test-cross plants you suspect to be AaBb dihybrids and look at 100 offspring, with the following results: Phenotype AB 22 Ab 28 ab 29 ab 21100 total (for the purposes of this …

You testcross a fly that is heterozygous for three genes, A, B, and C. The wild

You testcross a fly that is heterozygous for three genes, A, B, and C. The wild type allele is designated with a "+" and the mutant allele is designated with a lower case letter. …

You testcross a fly that is heterozygous for three genes, A, B, and C. The wild

You testcross a fly that is heterozygous for three genes, A, B, and C. The wild type allele is designated with a "+" and the mutant allele is designated with a lower case letter. …

You then use the LB and plates to do a serial dilution experiment as well as a p

You then use the LB and plates to do a serial dilution experiment as well as a plaque assay. a. For the serial dilution experiment you take 10µL of an E. coli culture and dilute i…

You think you may have hit upon a gold mine in the newly identified antibiotic.

You think you may have hit upon a gold mine in the newly identified antibiotic. You want to secure a private investor to help fund a biotech company startup. But before you can co…

You think you may have hit upon a gold mine in the newly identified antibiotic.

You think you may have hit upon a gold mine in the newly identified antibiotic. You want to secure a private investor to help fund a biotech company startup. But before you can co…

You tie a 1 kg rock to a 1.5 meter long string and then twirl it around your hea

You tie a 1 kg rock to a 1.5 meter long string and then twirl it around your head in a circular path. As you twirl the rock, your lab partner measures the angle the string makes w…

You to try to create your own artificial electron chain using the molecules C, D

You to try to create your own artificial electron chain using the molecules C, D, F, G, and H. The redox potentials of these molecules, along with those for NADH and water, are gi…

You took 1.0 ml of your cell culture, spun it down a centrifuge, and brought the

You took 1.0 ml of your cell culture, spun it down a centrifuge, and brought the cell pellet up to 100 ul with PBS. You then took 0.1 ml of the new cell suspension and added to it…

You took a soil sample in your backyard and measured the following: Sand = 15mm,

You took a soil sample in your backyard and measured the following: Sand = 15mm, Silt = 3mm, and Clay = 12mm. What type of soil texture do you have? Sandy clay loam Sandy clay San…

You toss a racquetball directly upward and then catch it at the same height you

You toss a racquetball directly upward and then catch it at the same height you released it 1.56 s later. Assume air resistance is negligible. What is the acceleration of the ball…

You toss a racquetball directly upward and then catch it at the same height you

You toss a racquetball directly upward and then catch it at the same height you released it 2.12 s later. Assume air resistance is negligible. (a) What is the acceleration of the …

You touch a metal sphere which is positively charged. Which of the following is

You touch a metal sphere which is positively charged. Which of the following is a correct description of what happens next? (Select all options that you think are correct) 1. As o…

You touch a metal sphere which is positively charged. Which of the following is

You touch a metal sphere which is positively charged. Which of the following is a correct description of what happens next? (Select all options that you think are correct) 1. As o…

You touch a metal sphere which is positively charged. Which of the following is

You touch a metal sphere which is positively charged. Which of the following is a correct description of what happens next? (Select all options that you think are correct) 1. As o…

You treat a cell membrane preparation of the CHO cells provided with the enzyme

You treat a cell membrane preparation of the CHO cells provided with the enzyme phospholipase C (PLC) at various concentrations of enzyme. You collect supernatant and membrane sam…

You try it: design two oligos to amplify the histone H3 gene from genomic DNA th

You try it: design two oligos to amplify the histone H3 gene from genomic DNA that would allow the PCR product to be ligated into HindIII (AAGCTT) and BamHI (GGATCC) sites Histone…

You try to generate a knockout mouse for a gene of interest, using the protocol

You try to generate a knockout mouse for a gene of interest, using the protocol described in this chapter. You do obtain progeny heterozygous for the knockout, as assessed by Sout…

You try to repeat the Meselson-Stahl experiment, but you miss your timepoints an

You try to repeat the Meselson-Stahl experiment, but you miss your timepoints and are only able to collect DNA samples after the bacteria have completed their THIRD replication cy…

You turn on a television and catch the end of an interview with a young patient

You turn on a television and catch the end of an interview with a young patient who developed a life-threatening MRSA infection after a routine surgery to remove his appendix. Wha…

You two have identified mutants of an enzyme that catalyzes a commercially usefu

You two have identified mutants of an enzyme that catalyzes a commercially useful reaction. Both mutants have the same Vmax as the original or wild type (WT) enzyme. However one m…

You two have identified mutants of an enzyme that catalyzes a commercially usefu

You two have identified mutants of an enzyme that catalyzes a commercially useful reaction. Both mutants have the same Vmax as the original or wild type (WT) enzyme. However, one …

You use ChlP-seq to identify the binding sites of your favorite transcription fa

You use ChlP-seq to identify the binding sites of your favorite transcription factor, p53. A colleague who is studying colon cancer walks into your office incredulous that your li…

You use the FLP/FRT system to test whether a new Drosophila gene –crunch, that c

You use the FLP/FRT system to test whether a new Drosophila gene –crunch, that causes cells to crunch up – functions in a cell autonomous fashion.The cr gene is expressed in patch…

You use the primer 5\' GCCTCGAATCGGGTACC 3\' to sequence part of a human DNA ins

You use the primer 5' GCCTCGAATCGGGTACC 3' to sequence part of a human DNA insert of a recombinant DNA molecule made with a plasmid vector. The result of the automated Sanger sequ…