Biology and Genetics

31) Which of the following statements is TRUE regarding skeletal-muscle contract

31) Which of the following statements is TRUE regarding skeletal-muscle contraction? A) Binding of myosin to actin takes place when [Ca2-] increases in the cytosol. one cross-brid…

31)A posotive tuberculin test indicated: a) active tuberculosis b) The person ha

31)A posotive tuberculin test indicated: a) active tuberculosis b) The person has been infected with tubercle bacilli c) hypersensitivity to tuberculoprotein d) None of the above …

31, Bacterial translation requires the actions of a sex pilus to insure that DNA

31, Bacterial translation requires the actions of a sex pilus to insure that DNA is transferred from one cell to another. 32 The first "eukaryotic" cell emerged when an earlier pr…

31- Explain why the number of trophic levels in a community is limited. 32- Expl

31- Explain why the number of trophic levels in a community is limited. 32- Explain the link between food webs and biomagnification. 33- Describe and diagram the four primary biog…

31-34 help please! minutiton and evide 31. As the RN you Bra amaar with ATP Prod

31-34 help please! minutiton and evide 31. As the RN you Bra amaar with ATP Production in prokuryas: A. 2 ATP rdeakaryas How many B 38 ATP yield A, the make less ATP respiration. …

31-35. The figure below represents a peptide with the sequence \"Ala Questions l

31-35. The figure below represents a peptide with the sequence "Ala Questions le" Answer the following questions by selecting the letters the correspond to the indicated features …

31-45 please 31. This is the best definition of \"composite cone a. the smallest

31-45 please 31. This is the best definition of "composite cone a. the smallest kind of volcano, a heap of pyroclastics b. plume mantle c alternating layers of pyroclastics and la…

31. 100 different labs across the world each run the exact same study, with n =

31. 100 different labs across the world each run the exact same study, with n = 20 subjects. 50 of the labs find a significant result with p<.05, and the other 50 labs do not f…

31. A coelom? A. Is a maladaptation Stores water in non-terrestrial animals Prov

31. A coelom? A. Is a maladaptation Stores water in non-terrestrial animals Provides cushioning for internal organs D. Is found only in primates 32. During which stage of viral in…

31. A couple who are planning to have a child visit a genetic counselor for advi

31. A couple who are planning to have a child visit a genetic counselor for advice. At the suggestion of their doctor, the wife (1lI-2) was genotyped for a panel of disease allele…

31. A man with blue eyes (genotype bb) and a woman with brown eyes (genotype Bb)

31. A man with blue eyes (genotype bb) and a woman with brown eyes (genotype Bb) have a child with blue eyes. What is the probability that their next child will also have blue eye…

31. A molecule that blocks the ion channels in integral proteins in the cell mem

31. A molecule that blocks the ion channels in integral proteins in the cell membrane, would interfere with A. cell recognition B. the movement of lipid soluble molecules C the ab…

31. A psychologist noted that people have more dif- ficulty sleeping in a bright

31. A psychologist noted that people have more dif- ficulty sleeping in a bright room than in a dark room. She measured whether the intensity of the light could predict the time i…

31. All of the following statements are true of cartilage except _____. a. Carti

31. All of the following statements are true of cartilage except_____. a. Cartilage is located at joints. b. Cartilage functions to make movements smooth and relatively frictionle…

31. An array or a gene chip is essentially a Southern blot because the _________

31. An array or a gene chip is essentially a Southern blot because the ___________. A. attached molecules are DNA B. probes are fluorescently labeled C. molecules to be detected a…

31. An event horizon is ____ . 32. For an object falling towards the event horiz

31. An event horizon is ____ . 32. For an object falling towards the event horizon, describe how and why does its shape change. 33. Dust and gas falling towards the black hole usu…

31. Are dinosaurs extinct? Theropod dinosaurs are the bipedal (\"two-footed\") c

31. Are dinosaurs extinct? Theropod dinosaurs are the bipedal ("two-footed") carnivores of Tyrannosaurus rex fame that many people imagine when they think of dinosaurssharp teeth,…

31. B. F. Skinner\'s work elaborated what E. L. Thorndike had called: A) shaping

31. B. F. Skinner's work elaborated what E. L. Thorndike had called: A) shaping. B) conditioned reinforcement. C) the law of effect. D) resistance to extinction. 32. Primary reinf…

31. Crosses of three different Hfr strains with an F strain are carried out, and

31. Crosses of three different Hfr strains with an F strain are carried out, and the following mapping data are provided from studies of interrupted conjugation. Assume that it ta…

31. Examine the figure below. This process can best be described as A) diffusion

31. Examine the figure below. This process can best be described as A) diffusion. B) facilitated diffusion. C) passive transport. D) active transport E) cotransport. 32. An animal…

31. For each of the E. coli strains containing the lac operon alleles listed, in

31. For each of the E. coli strains containing the lac operon alleles listed, indicate whether the strain is inducible, constitutive, or unable to express B-galactosidase and perm…

31. Fungi may be decomposers that secrete which digest organic material outside

31. Fungi may be decomposers that secrete which digest organic material outside of the c. mycorrhizae 32. Arbuscules are associated with fungi that Are found on the surface of pla…

31. Glycolysis(2 pt) a. does not require O2 to generate energy. b. requires O2 t

31. Glycolysis(2 pt) a. does not require O2 to generate energy. b. requires O2 to generate energy. c. is inhibited by O2 d. rate is increased in the presence of Op. e. None of the…

31. Hailstones that form via the dry growth regime typically have what character

31. Hailstones that form via the dry growth regime typically have what characteristic? a. they have smooth surfaces. b. they are opaque or milky white. c. they are solid ice with …

31. If the potassium leak channels are blocked, what will happen to the membrane

31. If the potassium leak channels are blocked, what will happen to the membrane potential? (a) The interior of the cell will become less negative (b) The interior of the cell bec…

31. If the potassium leak channels are blockod, what will happen to the membrane

31. If the potassium leak channels are blockod, what will happen to the membrane potential? (a) The interior of the cell will become less negative (b) The intetior of the cell bec…

31. In the spring, you pass by a rocky outcrop that is dripping with water and c

31. In the spring, you pass by a rocky outcrop that is dripping with water and covered with a carpet of short green plants. In the summer, you notice that water is no longer dripp…

31. Most plant hormones act as promoters of one response or another. Which type

31. Most plant hormones act as promoters of one response or another. Which type of hormone is unusual in that it generally acts as a growth inhibitor?        auxins        abscisi…

31. National Environmental Education Act (1990 a. Draft Year: b. Amendment Year:

31. National Environmental Education Act (1990 a. Draft Year: b. Amendment Year: c. International or National? Issues Affected: d. Description of Function/Environmental and Enforc…

31. Poecilopsis . (2 answers). a. monacha [\'nun (with) variegated appearance\"]

31. Poecilopsis . (2 answers). a. monacha ['nun (with) variegated appearance"] may be inseminated by a male Poecilopsis lucida ("clear variegated appearance"), forming a diploid f…

31. Poverty increases a). fertility rates generally increases b).recruitment rat

31. Poverty increases a). fertility rates generally increases b).recruitment rate generally decreases c). population density increases d). A and B all of the above 32. Population …

31. Refer to the figure at right. (7 pts) State the missing compound or process

31. Refer to the figure at right. (7 pts) State the missing compound or process gut epithelia a. to capillaries) ucto b. GLUTS b. C. Na SGLT1 “c"-ase True or False- "a." is passiv…

31. Retrovirus oncogenes have no introns because: A. Cellular oncogens are highl

31. Retrovirus oncogenes have no introns because: A. Cellular oncogens are highly conserved B. Viral oncogens are derived from cellular mRNA counterpart C. Viral oncogens can caus…

31. Several temperature-sensitive mutant strains of Escherichia coli display the

31. Several temperature-sensitive mutant strains of Escherichia coli display the following characteristics at the higher, restrictive temperature. For each one, state ONE protein …

31. Symptoms for syphilis often disappear between stages leading patients to bel

31. Symptoms for syphilis often disappear between stages leading patients to believe that they are not at risk for further damage. a) True b) False 32. Syphilis can only be spread…

31. The dentist explained that dental caries are caused by A. bacteria within th

31. The dentist explained that dental caries are caused by A. bacteria within the mouth metabolizing acids. B. yeast within the mouth metabolizing fatty acids. C. bacteria within …

31. The differences between humans and chimps are largely due to: a. The larger

31. The differences between humans and chimps are largely due to: a. The larger number of genes in the human genome b. Unique genes found only in the human genome c. Differences i…

31. The experiments in heterochronic (cross-age) transplantation showed that a.

31.   The experiments in heterochronic (cross-age) transplantation showed that a. younger stem cell populations flourished when transplanted into old recipients b. stem cells deri…

31. The first barrier to invasion is b. intact skin and body cavity linings c. d

31. The first barrier to invasion is b. intact skin and body cavity linings c. direct attack by white blood cells d. Innate immunity e· development of memory cel s. 32 Joe Smith h…

31. There is evidence to suggest that in people with Alzheimer\'s disease (senil

31. There is evidence to suggest that in people with Alzheimer's disease (senile dementia), the neurotransmitter acetylcholine is less available in many areas of the brain. If thi…

31. This basic food group provides minerals, water, vitamins, carbohydrates, and

31. This basic food group provides minerals, water, vitamins, carbohydrates, and protein for your diet. About 75% of all the calcium in the United States food supply comes from th…

31. Upon entering a resldent\'s room, the nurse assistant discovers a fire. Whlc

31. Upon entering a resldent's room, the nurse assistant discovers a fire. Whlch of tHe following is the correct sequence of steps that the nurse asslstant should take? A Contain …

31. What effect would the voltage-gated K\' channel blocker dendrodotoxin found

31. What effect would the voltage-gated K' channel blocker dendrodotoxin found in black mamba venom have on neuronal excitability? a. It would prevent action potential generation …

31. What features of DNA make it possible to make recombinant DNA in the lab? (S

31. What features of DNA make it possible to make recombinant DNA in the lab? (Select ll hat apply,) D The genetic code is the same for all organisms None of the other answer opti…

31. What is the function of the lysosome? Prokaryotic digestion Eukaryotic diges

31. What is the function of the lysosome? Prokaryotic digestion Eukaryotic digestion Prokaryotic mobility Eukaryotic mobility 32. In what stage of the cell cycle is genetic conten…

31. What is the significance of evolutionary biology to the treatment of HIV? A.

31. What is the significance of evolutionary biology to the treatment of HIV? A. An understanding that, as HIV patlents die, the human genome evolves resistance, has led evolution…

31. Which chamber of Congress, if either, did the framers expect to focus on loc

31. Which chamber of Congress, if either, did the framers expect to focus on local interests and which chamber, if either, did they think would reflect the national interest? Sele…

31. Which of the following BEST characterizes why is it important to study the s

31. Which of the following BEST characterizes why is it important to study the social construction of illness? a) Because the medical model excludes the social determinants of hea…

31. Which of the following a dicer. A. It is part of the microprocessor complex

31. Which of the following a dicer. A. It is part of the microprocessor complex containing pasha or DGCR8 B. It has Argonauts family of protein C. It has a piwi protein as a partn…

31. Which of the following chemical is best for applying to patients with bumeds

31. Which of the following chemical is best for applying to patients with bumedskinto infection? alcohol B, hydrogen peroxide D. quaternary ammonium compounds silver sulfadiazine …