Biology and Genetics

You are working on a new drug called Bioscicyn that you suspect blocks translati

You are working on a new drug called Bioscicyn that you suspect blocks translation. You set up an in vitro translation experiment designed to produce polypeptides of 100 ammo acid…

You are working on a new medication to selectively kill cancer cells. You test t

You are working on a new medication to selectively kill cancer cells. You test the drug on a culture of normal neurons to check for any side effects. Despite the presence of the d…

You are working on a postsurgical unit and have been given an order to discharge

You are working on a postsurgical unit and have been given an order to discharge a 72-year-old male who has just had a total hip replacement. Per hospital policy, you obtain a set…

You are working on a question found in your textbook. This question states that

You are working on a question found in your textbook. This question states that the following pedigree is for a trait that shows X-linked recessive inheritance. Using this informa…

You are working on a question found in your textbook. This question states that

You are working on a question found in your textbook. This question states that the following pedigree is for a trait that shows X-linked recessive inheritance Using this informat…

You are working on a site contaminated with toluene. Your groundwater testing sh

You are working on a site contaminated with toluene. Your groundwater testing shows a high concentration of toluene in groundwater. You have also detected Azoarcus tolulyticus in …

You are working on an insulin-binding protein from fish. The beginning of the co

You are working on an insulin-binding protein from fish. The beginning of the coding sequence of the gene is shown below. You find a mutant in the gene that cannot bind insulin (a…

You are working on the genetics of flower color in a plant that breeds true for

You are working on the genetics of flower color in a plant that breeds true for either yellow or red flowers. You begin by crossing yellow and red flowered parents and produce the…

You are working out the component order of a signaling pathway. You are studying

You are working out the component order of a signaling pathway. You are studying two protein kinases, STK1 and STK2. These two kinases act sequentially in the signaling pathway yo…

You are working to change the specificity of an antibody fragment using semi-rat

You are working to change the specificity of an antibody fragment using semi-rational design. You have discovered a 3-amino acid stretch in the complimentary determining region 3 …

You are working to design a skin patch that delivers a drug to the body Examples

You are working to design a skin patch that delivers a drug to the body Examples of patches on the market today include the Nicoderm patch (for helping individuals to quit smoking…

You are working up a male genital culture. You see no growth on the blood agar p

You are working up a male genital culture. You see no growth on the blood agar plate but small colonies growing on the chocolate agar plate. The gram stain shows gram negative coc…

You are working up a throat culture. Standard procedure in plating throat cultur

You are working up a throat culture. Standard procedure in plating throat cultures in your lab includes dropping an A disc near the initial inoculum in the first quandrant when st…

You are working with a Gram positive bacterium that can be grown in Tryptic Soy

You are working with a Gram positive bacterium that can be grown in Tryptic Soy Broth, a complex medium, or in a defined medium containing glucose, ammonium sulfate, potassium pho…

You are working with a Gram positive bacterium that can be grown in Tryptic Soy

You are working with a Gram positive bacterium that can be grown in Tryptic Soy Broth, a complex medium, or in a defined medium containing glucose, ammonium sulfate, potassium pho…

You are working with a Gram positive bacterium that can be grown in Tryptic Soy

You are working with a Gram positive bacterium that can be grown in Tryptic Soy Broth, a complex medium, or in a defined medium containing glucose, ammonium sulfate, potassium pho…

You are working with a chromosome that it 10 7 base pairs long, and want to cut

You are working with a chromosome that it 107 base pairs long, and want to cut it into blunt-ended fragments in the range of 103-104 base pairs. Which restriction endonuclease wou…

You are working with a company that is interested in identifying food applicatio

You are working with a company that is interested in identifying food applications for oils from tropical plant sources. You have been asked to compare the phsiochemical propertie…

You are working with a compound called Compound X that causes pancreatic cancer

You are working with a compound called Compound X that causes pancreatic cancer in dogs but not cats. If normal pancreatic cells from dogs or cats are cultured and exposed to Comp…

You are working with a farmer who has two varieties of true-breeding corn plants

You are working with a farmer who has two varieties of true-breeding corn plants. The Durham variety has dominant alleles for short stature (S), yellow leaf colour (Y) and crinkle…

You are working with a fungus that has a meiocyte that produces an ascus with to

You are working with a fungus that has a meiocyte that produces an ascus with tour spores, a tetrad This fungal species has more than 6 chromosomes You have a strain that produces…

You are working with a human genetics research group that is studying mutations

You are working with a human genetics research group that is studying mutations in island populations. Your project focuses on finding novel mutations in genes responsible for enc…

You are working with a mouse model of muscular dystrophy. You have control mice

You are working with a mouse model of muscular dystrophy. You have control mice and mice with the disease in your laboratory. Consider what you would want to test in the mouse and…

You are working with a neurotransmitter, that when bound to its receptor, will o

You are working with a neurotransmitter, that when bound to its receptor, will open Cl- channels in the cell membrane of nerve cells. The extracellular Cl- concentration is O.1 M,…

You are working with a new doctor who came to this country from Mexico. She has

You are working with a new doctor who came to this country from Mexico. She has a very thick accent and has been abrasive on the nursing staff. You are taking orders, and as she i…

You are working with a new molecule that you think may be an effective antibioti

You are working with a new molecule that you think may be an effective antibiotic. Below is some experimental data you have collected. You inoculated a series of liquid cultures w…

You are working with a new molecule that you think may be an effective antibioti

You are working with a new molecule that you think may be an effective antibiotic. Below is some experimental data you have collected. You inoculated a series of liquid cultures w…

You are working with a newly discovered mutagen and wish to determine the base c

You are working with a newly discovered mutagen and wish to determine the base change it introduces into DNA. Thus far, you have determined that the mutagen chemically alters a si…

You are working with a protein that you are trying to crystallize. After initial

You are working with a protein that you are trying to crystallize. After initial attempts at determining conditions that allow your protein to remain properly folded and soluble, …

You are working with a team in a drug company to come up with a drug that decrea

You are working with a team in a drug company to come up with a drug that decreases food intake. Your team has to chosen between two potential G-protein coupled receptor (GCPR) si…

You are working with cells that have a mutation that decreases activity in a gro

You are working with cells that have a mutation that decreases activity in a growth factor signal transduction pathway. Would you expect would happen in these cells? Select answer…

You are working with fruit flies and notie different flies with different eye sh

You are working with fruit flies and notie different flies with different eye shapes, including round, heart shaped, and bar shaped. You cross two pure breeding strains, one with …

You are working with human cells cultured in your laboratory, and you have devel

You are working with human cells cultured in your laboratory, and you have developed cells that have a nonfunctioning gene for the Bub protein. Predict what would happen in these …

You are working with pea plants again and you identify two new mutants: black fl

You are working with pea plants again and you identify two new mutants: black flowers and thorns. These new mutant phenotypes are dominant over the wild type (pink flowers and no …

You are working with the following true breeding parental flies: The female pare

You are working with the following true breeding parental flies: The female parent is body color brown and wingless The male parent is body color black with normal wings. » All fl…

You are working with the genus of butterfly, Danaus, and have found new color an

You are working with the genus of butterfly, Danaus, and have found new color and wing mutants. Preliminary work indicates the mutant traits are recessive and autosomal. Each gene…

You are working with two inbred strains of mice that are homozygous for the H-2

You are working with two inbred strains of mice that are homozygous for the H-2 locus. One strain homozygous for the H-2k locus. One strain is homozygous for the H-2k haplotype wh…

You are working with two lines of adipocyte cells that you grow by cell culture

You are working with two lines of adipocyte cells that you grow by cell culture (like in Bic220 lab) (A) a secretory mutant cell line (called NOGO) that does not transport GLUT4 t…

You are working with two strains of E. coli in the lab. Neither strain will grow

You are working with two strains of E. coli in the lab. Neither strain will grow on minimal media (MM, media not supplemented with amino acids). Strain 1 will grow on media supple…

You are working with two varieties of apples. one variety has the genotype AB/AB

You are working with two varieties of apples. one variety has the genotype AB/AB. The "A" allele in the variety causes the fruit to be non-browning but the "B" allele causes the f…

You are working with wild-type cells that have a 16h doubling time. BrdU is a mo

You are working with wild-type cells that have a 16h doubling time. BrdU is a molecule that can be used to measure the amount of DNA inside cells. When added to cell culture, cell…

You are worried about sharing your suspicions with Lee and Grace, but for differ

You are worried about sharing your suspicions with Lee and Grace, but for different reasons. Grace, who is still recovering from breast cancer surgery and chemotherapy, seems very…

You are writing an article about oral streptococci and dental caries. How should

You are writing an article about oral streptococci and dental caries. How should you write the genus and species name of the organism when using it for the first time in your pape…

You arrive at a motor vehicular accident and find that our patient has extricate

You arrive at a motor vehicular accident and find that our patient has extricated herself from the vehicle and is walking around. Complains of neck pain Immobilize her on a long b…

You arrive in the newly established country of Farmworldia, where agriculture is

You arrive in the newly established country of Farmworldia, where agriculture is the major economic engine and most citizens have done a little plant breeding. They show you two d…

You artificially raise the calcium concentration inside the myofibrils and obser

You artificially raise the calcium concentration inside the myofibrils and observe that both the normal and dysgenic fibers contract. From this observation, where would you conclu…

You as a researcher are interested in changes to behavior in the Green Vine Snak

You as a researcher are interested in changes to behavior in the Green Vine Snakes (Ahoetulla nasuta) after they become infected with snake Fungal Disease. You measure the amount …

You ask your lab assistant to prepare 1L of solution Zeta at a concentration of

You ask your lab assistant to prepare 1L of solution Zeta at a concentration of 1 M. He comes up to you with a 0.5 M stock solution and asks for help in calculating how much to us…

You be the expert--imagine you are a teaching a class on controlling microbial g

You be the expert--imagine you are a teaching a class on controlling microbial growth in the environment. To test your students, you will present them with a scenario including a …

You be the expert: Imagine you are teaching a class on controlling microbial gro

You be the expert: Imagine you are teaching a class on controlling microbial growth in the environment. To test your students, you will present them with a scenario including a si…