Look at Figure 45.17 in the textbook and consider the individual in the gray shaded box. What is the probability that this individual will pass on the A allele to its offspring?
A. 0.25
B. 0.5
C. 0.75
D. 1.0
E. None of the answer options is correct.
B
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Poliovirus is an RNA virus that uses host cell ribosomes to synthesize a polyprotein immediately after entering the cell. In order for functional viral proteins to be produced, one would expect to observe the mechanism of:
A. phosphorylation. B. protein methylation. C. autoinhibition. D. ADP-ribosylation. E. proteolytic cleavage.
Chemical inhibitors of hormone synthesis or signaling are powerful tools that yield invaluable information about hormone function. Triadimefon, propiconazole, and spironolactone are just a few of the compounds identified to inhibit the function of brassinosteroids (BR). Which of the following are probable physiological effects due to the inhibition of BR? Check all that apply.
_____ reduced mitotic activity _____ rapid aging _____ reduced xylem and phloem differentiation _____ increased stem length Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about brassinosteroids? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach 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?
The conversion of nitrate (NO3-) to nitrogen gas (N2) is called ________.
A. ammonification B. nitrogen fixation C. photosynthesis D. nitrification E. denitrification
You are looking at a white cottony growth on a culture medium. Microscopic examination reveals it is multicellular. Which of the following conclusions about this organism is false?
a. It has cell walls. b. It has DNA enclosed in a nucleus. c. It is eukaryotic. d. It is a bacterium. e. It absorbs organic nutrients.