Biology and Genetics

1) In an alpha helix, residue i is hydrogen bonded to a) Residue i+3 through its

1) In an alpha helix, residue i is hydrogen bonded to a) Residue i+3 through its side chain. b) Residue i+3 through its backbone. c) Residue i+4 through its side chain. d) Residue…

1) In an experimental population of flour beetles, the body length shows a conti

1) In an experimental population of flour beetles, the body length shows a continuous distribution with a mean of 6.8 mm. A group of males and females with body length of 9 mm are…

1) In bacteria, which of the following helps guide RNA polymerase to the -10 and

1) In bacteria, which of the following helps guide RNA polymerase to the -10 and -35 box of the promoter? a) regulator b) basal transcription factor c) inducer d) sigma factor e) …

1) In both the Americas and Australia we see a mass extinction of multiple megaf

1) In both the Americas and Australia we see a mass extinction of multiple megafauna species which appears to be approximately at the time humans arrive. New data are always emerg…

1) In children that express recessive genetic diseases , it has been occasionall

1) In children that express recessive genetic diseases, it has been occasionally found that only one parent is heterozygous for the disease allele. In these cases, it has also bee…

1) In class we talked about the formation of VLDL(very low density lipoprotein)

1) In class we talked about the formation of VLDL(very low density lipoprotein) lipoproteins in the liver.   The assembly of VLDL particles within the liver involves a protein cal…

1) In cocker-spaniels,2 genes are responsible for color of coats. A_B Black A-bb

1) In cocker-spaniels,2 genes are responsible for color of coats. A_B   Black A-bb Red aaB_ Liver aabb Lemon Two black dogs produce a litter of 5 puppies. 2 black, 1 red, 1 liver,…

1) In cow, horned is a recessive trait, polled (hornless) is dominant. You cross

1) In cow, horned is a recessive trait, polled (hornless) is dominant. You cross two polled animals that both had a horned mother. In their progeny, you pick a polled steer. What …

1) In doing an ELISA, blocking is a critical step. Some blockers require long am

1) In doing an ELISA, blocking is a critical step. Some blockers require long amounts of time, while others require much shorter amounts of time. If blocking is not complete, how …

1) In dragons, scale color is under the control of two genes, A and B. When two

1) In dragons, scale color is under the control of two genes, A and B. When two AaBb dragons are crossed, the result is 9 gold scaled: 7 silver scaled. This ratio indicates that a…

1) In experiment 1, post-lab question, what are the black dots surrounding the l

1) In experiment 1, post-lab question, what are the black dots surrounding the large neuronal cell (labeled B)? microtubules glial cells bacteria extracellular matrix 2) In experi…

1) In experiment 1, which dye diffused more quickly? red blue both diffused at t

1) In experiment 1, which dye diffused more quickly? red blue both diffused at the same rate neither dye diffused through the solution 2) In experiment 3, which bag should have th…

1) In fruit flies, eye color is x linked recessive - R= red eyes and r=white eye

1) In fruit flies, eye color is x linked recessive - R= red eyes and r=white eyes. Body color is autosomal - B= brown body and b= yellow body. What phenotypic ratios do you expect…

1) In genies there is a gene that controls skin color. The allele for blue skin

1) In genies there is a gene that controls skin color. The allele for blue skin is dominant to the allele for pink skin. A blue genie meets a pink genie and it is love at first si…

1) In humans,hemophilia (a disease that affects the blood clotting process) is x

1) In humans,hemophilia (a disease that affects the blood clotting process) is x-linked. A young man,John, has hemophilia but his parents do not. a)What are the genotypes of John …

1) In liver cells, the inner mitochondrial membrane is about five times the surf

1) In liver cells, the inner mitochondrial membrane is about five times the surface area of the outer membrane. What purpose does this serve? A) It increases the number of respira…

1) In many tree species, the wood and annual rings are actually layers of ______

1) In many tree species, the wood and annual rings are actually layers of __________ grown by the vascular cambium A) xylem B) bark C) cuticle D) endoderm 2) The mutualistic assoc…

1) In most laboratory applications, for plate counts to be considered valid, the

1) In most laboratory applications, for plate counts to be considered valid, they must have between 30 and 300 colony forming units on them. To achieve this, scientists must dilut…

1) In order to more effectively transport water and nutrients to all of their ce

1) In order to more effectively transport water and nutrients to all of their cells, plants evolved __________ A) vascular tissues B) stomata C) cuticles D) circulatory systems 2)…

1) In pea plants, round peas (R) are dominant to wrinkled peas (r).You do a test

1) In pea plants, round peas (R) are dominant to wrinkled peas (r).You do a test cross between a pea plant with wrinkled peas (genotype rr) and a plant of unknown genotype that ha…

1) In peas, axillary flowers (A) is dominant to terminal flowers (a) and colored

1) In peas, axillary flowers (A) is dominant to terminal flowers (a) and colored flowers (R white (r). A true-breeding plant with white, terminal flowers is crossed with a true-h …

1) In screech owls, three crossesbetween different pairs of red and silver indiv

1)      In screech owls, three crossesbetween different pairs of red and silver individuals yielded thefollowing results: Cross Parental phenotypes Offspring phenotypes and propor…

1) In screech owls, three crossesbetween different pairs of red and silver indiv

1)      In screech owls, three crossesbetween different pairs of red and silver individuals yielded thefollowing results: Cross Parental phenotypes Offspring phenotypes and propor…

1) In silkmoths, Bombyx mori , red eyes ( re ), white-banded wings ( wb ), and h

1) In silkmoths, Bombyx mori, red eyes (re), white-banded wings (wb), and hirsute trunk (ht) are encoded by mutant alleles that are recessive to those produced by the wild-type (r…

1) In some autoimmune disorders, chemokines bind GPCRs to direct immune cells to

1) In some autoimmune disorders, chemokines bind GPCRs to direct immune cells to sites that are not actually foreign invaders. Which of the following might be a treatment for such…

1) In the Agutter poisoning case, what would be the best way to measure the amou

1) In the Agutter poisoning case, what would be the best way to measure the amount of atropine in the tonic water? a) HPLC b) TLC c) SEM-EDX d) infra red spectroscopy 2) It has be…

1) In the absence of migration and mortality, a reproductive population will exp

1) In the absence of migration and mortality, a reproductive population will experience ______ growth a. exponential b. cyclic c.linear d. logistic 2) Adiabatic changes in the tem…

1) In the diagram below, the red arrow indicates that the male flies shown have

1) In the diagram below, the red arrow indicates that the male flies shown have been mutagenized with X-rays. These mutagenized males are each mated to a wild-type female. Only on…

1) In the dynamics of blood flow through capillaries, blood hydrostatic pressure

1) In the dynamics of blood flow through capillaries, blood hydrostatic pressure: (a) is completely canceled out by osmotic pressure. (b)forces fluid out of the capillary at the a…

1) In the future, life is found on moons of Jupiter and Saturn: Enceladus, Calli

1) In the future, life is found on moons of Jupiter and Saturn: Enceladus, Callisto, and Ganymede. Curioush although the genetic material of these alien life forms is similar to D…

1) In the gel pictured below, lane 1 is from a crime scene, the other lanes are

1) In the gel pictured below, lane 1 is from a crime scene, the other lanes are from suspects. a. Which is the only suspect that is not excluded from the crime? b. If all alleles …

1) In the nucleotide excision repair system, which of the following proteins is

1) In the nucleotide excision repair system, which of the following proteins is responsible for recognizing a thymine dimer to be repaired? a) UvrAB   b) UvrC c) UvrD   e)   none …

1) In the plant Arabidopsisthaliana , two alleles of one gene determine the char

1)      In the plant Arabidopsisthaliana, two alleles of one gene determine the characterdifference of hairy leaves (Hairy) versus smooth leaves (Smooth),and two alleles of a sepa…

1) In the summer of 1998, after extrely hot, dry weather, the Georgia corn harve

1) In the summer of 1998, after extrely hot, dry weather, the Georgia corn harvest was expected to be reduced by at least 25%. Using your knowledge of the dual functions of guard …

1) In the surface analysis chart above, the weather at the station in N.E. Color

1) In the surface analysis chart above, the weather at the station in N.E. Colorado is: Temperature is 21 deg. F, wind chill is 16 deg F, winds are out of the north at 15kts, sky …

1) In the trp operon, starvation to multiple amino acids other than tryptophan w

1) In the trp operon, starvation to multiple amino acids other than tryptophan would cause: a) region 1 pairing with region 2, 3 with 4 and termination of transcription b) region …

1) In the wildtype (the DNA sequence most commonly found in nature) lac operon,

1) In the wildtype (the DNA sequence most commonly found in nature) lac operon, transcription is severely down-regulated. A mutation in lacI that causes an early stop codon in the…

1) In tomatoes, stem color andfruit color are determined by two independently as

1)      In tomatoes, stem color andfruit color are determined by two independently assorting genes. Atone gene, purple stems (P) is dominant to green stems(p). At the other gene, …

1) In what ways did the poor working class people of 19 th Century England use o

1) In what ways did the poor working class people of 19th Century England use opium? Identify at least two consequences for families and especially children. How did these consequ…

1) In which direction does RNA polymerase move along the template strand? a) 3’-

1) In which direction does RNA polymerase move along the template strand? a) 3’-5’ b) 5’-3’ c) Both d) None of the above 2) Techniques to identify new peptide drugs include: (mult…

1) In which region/place listed below do you find the governments promoting econ

1) In which region/place listed below do you find the governments promoting economic growth (especially tourism) through a process known as "Hawaiianization"? 2) Nearly every coun…

1) Increase in poly(A) tail length results in increased________ creases in poly(

1) Increase in poly(A) tail length results in increased________ creases in poly(A) ail length result in increased transcription O alternative splicing O protein stability O mRNA d…

1) Increased water vapor in the atmosphere due to warming results in: Choose all

1) Increased water vapor in the atmosphere due to warming results in: Choose all that apply. d) Heavier rains and snowfall in temperate regions 2) Carbon dioxide emissions come ma…

1) Increasing the diameter of a skeletal muscle fiber by synthesis of new myofib

1) Increasing the diameter of a skeletal muscle fiber by synthesis of new myofibrils will increase the force generating capacity of a cell, however, the formation of more cells ca…

1) Indicate whether this trauma may be the cause of this individual\'s death or

1) Indicate whether this trauma may be the cause of this individual's death or if you think he/she likely lived after sustaining the injury. 2) Explain how you were able to come t…

1) Indirect junctions between the T-cell and other cells are mediated by integri

1) Indirect junctions between the T-cell and other cells are mediated by integrin. Which extra-cellular matrix protein do cells and integrin likely bind to? Actin Fibronectin SRP …

1) Insertions and deletions of single nucleotides: A) cause frameshift mutations

1) Insertions and deletions of single nucleotides: A) cause frameshift mutations. B) cause cancer. C) shorten chromosomes. D) cause missense mutations. 2) In genetics, the dash sy…

1) Instead of a cell wall, eukaryotic cells have an extracellular matrix for str

1) Instead of a cell wall, eukaryotic cells have an extracellular matrix for structural support. a) It is true that animal and plant cells have an extracellular matrix for support…

1) Integrated metabolism A. A molecule of glutamate that you eat can eventually

1) Integrated metabolism A. A molecule of glutamate that you eat can eventually be transformed into part of a glucose molecule that you store in your liver. Circle the pathways/cy…

1) Investigators found a RR = 1.90 to explain the association between maternal e

1) Investigators found a RR = 1.90 to explain the association between maternal education (high vs. low) and onset of adolescent eating disorders. They should therefore conclude th…