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

Biology & Microbiology

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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.

Biology & Microbiology

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?

Biology & Microbiology

The conversion of nitrate (NO3-) to nitrogen gas (N2) is called ________.

A. ammonification B. nitrogen fixation C. photosynthesis D. nitrification E. denitrification

Biology & Microbiology

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.

Biology & Microbiology