The amount of solar energy incorporated into chemical bonds during photosynthesis in a given year is approximately ______________ the amount of energy obtained from oil and coal in that same year
A. one-half
B. one-tenth
C. equal to
D. one million times
E. ten times
E
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DNA microassays:
A. can reveal protein-protein interactions. B. demonstrate differential expression of genes. C. can reveal protein-RNA interactions. D. can be used to purify proteins that bind to epitope tags. E. are somewhat large and unwieldy but give a great deal of information.
An arrangement of microtubules located in the matrix of cilia and flagella is called the ________.
A. axial bundle B. axoneme C. axillary tubule D. axial filament
What is an example of a limit on population growth, and proposed by Darwin to be a mechanism of evolution by
natural selection? a. predation b. inheritance of traits c. epidermal coloration d. resistance to infection e. spawning of hundreds of eggs
An individual is moderately dehydrated and reaches for a beer to quench his thirst. Although this person thinks that he is hydrating himself, he is actually causing additional dehydration. Why is this the case?
A) The alcohol in the beer causes an increase in the activity of renin. B) The alcohol in the beer inhibits antidiuretic hormone. C) The alcohol in the beer inhibits aldosterone. D) The alcohol in the beer causes a decrease in sodium reabsorption in the nephron.