Blue flower color (B allele) is dominant to white (b allele). If a population of plants in Hardy-Weinberg equilibrium contains white flowers (bb) at a frequency of 0.04, what is the frequency of the blue flower allele (B)?
A. 0.2 or 20%
B. 0.64 or 64%
C. 0.32 or 32%
D. 0.8 or 80%
E. 0.96 or 96%
D. 0.8 or 80%
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How do citrus fruits such as lemons cause the basic taste of sour?
A) The more acidic the food is, the more depolarization of the sensory receptor occurs. B) Ascorbic acid binds to sensory receptors on the plasma membrane of taste cells, which leads to the triggering of cellular activity that trigger a sour taste response. C) Sugars and ascorbic acid bind sensory receptors on the plasma membrane of taste cells, which leads to the triggering of cellular activity that trigger a sour taste response. D) Citric acid amplifies the sour taste of vitamin C when it binds to specialized receptors on the taste cells.
In comparison to women, men make muchmore:a
testosterone. b. growth hormone. c. myostatin. d. estrogen. e. all of these except estrogen.
Which of the following kind of animal is NOT an amphibian?
A. Caudata B. anuran C. salamander D. Gymnopiona E. amniote
What is the likely outcome if you were able to force water through fish gills in the opposite direction to how it normally flows over the gills?
A. There would be no effect, and maximal oxygenation of blood would still occur. B. The direction of blood flow would reverse through the gills to compensate for the reversed direction of water flow. C. Gas exchange would be inhibited and movement of oxygen into the blood would cease. D. The movement of carbon dioxide from the blood into the water would increase. E. The blood's oxygen concentration would not be able to exceed 50%. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about fish gills? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?