The phenomenon where one species diverges into many by occupying a different habitats within a region is called ________.
Fill in the blank(s) with the appropriate word(s).
adaptive radiation
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A ________ genome exists as several separate, nonidentical molecules that may be packaged together or separately.
A. diploid B. fractionated C. polyploid D. segmented
Which is true of the following reaction: Pi + ADP -> ATF?
A. It has a change in free energy that is less than 0. B. It has a change in free energy that is greater than 0. C. It can be used to drive endergonic reactions. D. It yields energy. E. It has a change in free energy that is greater than 0, and hence can be used to drive endergonic reactions.
Which of the following statements is not true of the TCA cycle?
A) Oxidation occurs at three steps in the TCA cycle. B) Decarboxylation occurs at two steps in the TCA cycle. C) ATP/GTP is generated at one point by substrate-level phosphorylation. D) Acetate enters the TCA cycle and joins a four-carbon acceptor molecule to form citrate. E) FAD is an electron acceptor in the cycle.
Which of the following types of pathogens cause sexually transmitted diseases that are generally NOT curable?
A) bacteria B) viruses C) fungi D) insects