Biology and Genetics

1) A few centuries ago, vast divides in global wealth did not exist. Wealth and

1) A few centuries ago, vast divides in global wealth did not exist. Wealth and power were concentrated in the hands of a very small number of rulers and landowners and everyone e…

1) A form of diffusion in which the molecules pass through a protein instead of

1) A form of diffusion in which the molecules pass through a protein instead of between the phospholipids is called A) facilitated diffusion C) osmosis B) diffusion D) active tran…

1) A genomic library constructed from human brain tissue will likely be differen

1) A genomic library constructed from human brain tissue will likely be different from a genomic library constructed from human pancreatic tissue. 1) Which of the following statem…

1) A genomic library constructed from human brain tissue will likely be differen

1) A genomic library constructed from human brain tissue will likely be different from a genomic library constructed from human pancreatic tissue. 1) Which of the following statem…

1) A glucose fed yeast cell is moved from an aerobic environment to an anaerobic

1) A glucose fed yeast cell is moved from an aerobic environment to an anaerobic one. If the cell continues to generate ATP at the same rate, how will its rate of glucose consumpt…

1) A group of cells is assayed for DNA content immediately following mitosis and

1) A group of cells is assayed for DNA content immediately following mitosis and is found to have an average of 8 picograms of DNA per nucleus. Those cells would have picograms at…

1) A higher concentration of agarose (and hence smaller pore size in the gel) wi

1) A higher concentration of agarose (and hence smaller pore size in the gel) will allow you to separate what more efficiently? please list examples with explanation. 2) What coul…

1) A histogram of a typical, freely dividing cell culture is shown in (A). (B) G

1) A histogram of a typical, freely dividing cell culture is shown in (A). (B) Growth factor depletion can be used to "synchronize cells such that they are all in the same stage o…

1) A hypothetical population has two alleles for a gene: A and a. In a random sa

1) A hypothetical population has two alleles for a gene: A and a. In a random sample of 100 individuals, 20 are homozygous for a, 20 are homozygous for A, and 60 are heterozygous.…

1) A large earthquake off the coast of the Alaskan Peninsula in 1946 produced a

1) A large earthquake off the coast of the Alaskan Peninsula in 1946 produced a deadly tsunami that reached Hawaii 6 hours later. How fast did the tsunami travel in km/hr? _______…

1) A man is found to be karyotypically 47, XYY. The presence of an extra Y chrom

1) A man is found to be karyotypically 47, XYY. The presence of an extra Y chromosome could be caused by the following: (Choose any and all that alone could lead to the condition)…

1) A mating between a homozygous black rat and a homozygous yellow rat produce a

1) A mating between a homozygous black rat and a homozygous yellow rat produce all gray offspring. When these gray F1 individuals are mated with one another, their offspring consi…

1) A microbial siderophore is A) an effector chemical that stimulates the produc

1) A microbial siderophore is A) an effector chemical that stimulates the production of iron in the environment. B) a small molecular weight organic molecule synthesized by a micr…

1) A mother would like to pick up Tylenol OTC for her child due to him having a

1) A mother would like to pick up Tylenol OTC for her child due to him having a low-grade fever. The child is 3-year old boy and weighs 30 pounds. She picks up a Tylenol oral solu…

1) A mutation in which of the following genes would enhance the chances of cance

1) A mutation in which of the following genes would enhance the chances of cancer? a) p53 b) ras c) myc d) Rb e) all of the above 2) In the analysis of a family, you notice that m…

1) A mutation occurs in a gene which causes an arginine to be replaced by a phen

1) A mutation occurs in a gene which causes an arginine to be replaced by a phenylalanine in the corresponding protein. What type of change has taken place in the mutant protein? …

1) A new type of organism has been discovered. As one of the top biologists in t

1) A new type of organism has been discovered. As one of the top biologists in the world, you are asked to classify it. After much study, you realize that this organism consists o…

1) A normal woman who is heterozygous for X-linked Ducheme muscular dystrophy ha

1) A normal woman who is heterozygous for X-linked Ducheme muscular dystrophy has children with a normal man. What is the probability of a normal son? What is the probability of a…

1) A paper towel is to its cardboard roll as the myelin sheath is to the________

1) A paper towel is to its cardboard roll as the myelin sheath is to the_______________ . soma dendrite Schwann cell axon 2) When the membrane of an axon is at resting potential, …

1) A particular variety of corncan have short, medium, or tall stems, and it can

1)      A particular variety of corncan have short, medium, or tall stems, and it can have red, purple,or blue kernels. You cross a tall red variety with a short, blueone and obta…

1) A particularly nasty species of Asian termite has invaded North America and t

1) A particularly nasty species of Asian termite has invaded North America and threatens to destroy all our wood telephone poles. Your job is to map its genome. There are two gene…

1) A person is genotypically blood type A. However, this individual also does no

1) A person is genotypically blood type A. However, this individual also does not produce the lipid to which N-acetylgalactosamine is added, so the lipid is therefore not expresse…

1) A person working in your lab creates a synthetic semi-fluid like substance em

1) A person working in your lab creates a synthetic semi-fluid like substance embedded with proteins that transport nutrients and ions. This leads you to believe the substance is …

1) A planet has twice the mass of the earth but the same radius. What is the acc

1) A planet has twice the mass of the earth but the same radius. What is the acceleration of gravity on the surface of this planet? the same as on earth half as much as on earth o…

1) A polylinker (also known as a multiple cloning site) is a: A) synthetic DNA f

1) A polylinker (also known as a multiple cloning site) is a: A) synthetic DNA fragment that contains multiple restriction enzyme sites B) synthetic DNA fragment inserted into a v…

1) A population of hares live in northern canada. Most of the hares in this popu

1) A population of hares live in northern canada. Most of the hares in this population have white fur, while a few have some brown coloring in their fur. Over a 100 year period th…

1) A population of wild-flowers was scored for flower color. There were 205 blue

1) A population of wild-flowers was scored for flower color. There were 205 blue (BB) plants, 1988 violet (BR) plants and 866 red (RR) plants. Please round your answer correctly t…

1) A population of zebra mussels has 497 light brown individuals and 763 mottled

1) A population of zebra mussels has 497 light brown individuals and 763 mottled individuals. Assume that light brown is totally recessive. Use “M” to represent the dominant allel…

1) A problem in trying to show that God\'s commands are themselves good is: I ca

1) A problem in trying to show that God's commands are themselves good is: I cannot fully understand God If "good" is defined in terms of God's commands, then morality is the same…

1) A rapis ascent to high altitude would lead to ventilation changes that initia

1) A rapis ascent to high altitude would lead to ventilation changes that initially cause: a) respiratory Acidosis B) respiratory alkalosis 2)Assume that a membrane separates two …

1) A scientist is searching for chemical compounds involved in embryonic limb de

1) A scientist is searching for chemical compounds involved in embryonic limb development. She discovers a new compound that is transiently (briefly) expressed in the limb and onl…

1) A single weasel is kept in a large wooded enclosure, where it has access to a

1) A single weasel is kept in a large wooded enclosure, where it has access to a variety of naturally available prey. (Weasels are generalist predators.) Each week, a different nu…

1) A single-­?molecule microscopy experiment is performed on a slide containing

1) A single-­?molecule microscopy experiment is performed on a slide containing 1000 molecules each of green, red, cyan, and yellow fluorescent proteins (GFP, RFP, CFP, and YFP, r…

1) A sociologist defines society as a group of people who reside in a defined ar

1) A sociologist defines society as a group of people who reside in a defined area, share a culture, and who: a. interact b. work in the same industry c. speak different languages…

1) A tRNA with the anticodon 3’-ACC-5’ would carry the amino acid: a. serine. b.

1) A tRNA with the anticodon 3’-ACC-5’ would carry the amino acid: a. serine. b. phenylalanine. c. tryptophan. d. threonine. e. tyrosine. 2. In bacteria, the Shine-Dalgarno sequen…

1) A true-breeding black goose is crossed with a white goose, producing F1 offsp

1) A true-breeding black goose is crossed with a white goose, producing F1 offspring that are all gray. The F1s are intercrossed, producing F2s with the following phenotypes: 48 g…

1) A vial for preparation of 100mL of injection of the drug alteplase (ATIVASE)

1) A vial for preparation of 100mL of injection of the drug alteplase (ATIVASE) contains 100 mg of drug equivalent to 58 million international units to be administered by intraven…

1) A virus generally first encounters a potential host cell primarily by means o

1) A virus generally first encounters a potential host cell primarily by means of interactions with one or the other of which two of the following? Note: points will be deducted f…

1) A volcano erupted on an island. The ash released from the volcano changed the

1) A volcano erupted on an island. The ash released from the volcano changed the acidity (pH) of the soil from the level it had been for hundreds of years. This significant change…

1) A wild-type polypeptideconsists of 27 amino acids. Many mutants have been dis

1)      A wild-type polypeptideconsists of 27 amino acids. Many mutants have been discovered thatproduce versions of this polypeptide that are longer than normal.These mutations a…

1) A young patient is brought to the doctor because of failure to thrive and is

1) A young patient is brought to the doctor because of failure to thrive and is diagnosed with lissencephaly. Disruption in what signals, involved in what process, would cause thi…

1) A(n)- parthenogenesis. A) cat B) human C) Komodo dragon D) mouse is an exampl

1) A(n)- parthenogenesis. A) cat B) human C) Komodo dragon D) mouse is an example of an organism that can sometimes reproduce asexually by 2) Which of the following is an autotrop…

1) A) Below is a pedigree for an uncle-niece mating (popular in some polygamist

1) A) Below is a pedigree for an uncle-niece mating (popular in some polygamist communities. Use the B) Suppose a rare recessive disorder occurs in one out of 10,000 newborns in t…

1) A) Embryonic liver tissue contains an enzyme that catalyzes the reaction SP a

1) A) Embryonic liver tissue contains an enzyme that catalyzes the reaction SP activity. Some kinetic data are shown below. What conclusions can you draw concerning the identity o…

1) A) What did Darwin do that most influenced his worldview (what is a worldview

1) A) What did Darwin do that most influenced his worldview (what is a worldview)? What were the critical observations Darwin made on his voyage of discovery? What two main ideas …

1) A) What is microevolution and how would you contrast microevolution with macr

1) A) What is microevolution and how would you contrast microevolution with macroevolution? B) •What does it mean to say, “individuals are selected, but populations evolve”? C) •W…

1) A) Why are cells thawed quickly rather than slowly? B) What is the function o

1) A) Why are cells thawed quickly rather than slowly? B) What is the function of trypsin in a dissociation media? And why is EDTA added to the trypsin? C) if a pellet of HeLa cel…

1) A)Using the genotype provided above, calculate the number of unique gametes p

1) A)Using the genotype provided above, calculate the number of unique gametes produced by this horse. B)How many will transmit all three disease alleles present in this horse? C)…

1) A)What is the concentration of your DNA solution(ug/ml)? B)What is the total

1) A)What is the concentration of your DNA solution(ug/ml)? B)What is the total amount of chromosomal DNA(in ug) from the 0.1ml of cell suspension? C)Assusming you started with 4g…

1) A. Regarding genetics, Who has an XY chromosome pair and who has an XX pair?

1) A. Regarding genetics, Who has an XY chromosome pair and who has an XX pair? B. What happens when a person does not have the normal number of sex chromosomes? C. Describe two e…