Organisms that enter humans (whether for a short period such as hours or days [transient] or permanently) and multiply and may or may not interfere with normal body functions. This is also known as:

A. Mutualism
B. Disease
C. Colonization
D. Parasitism


Answer: C. Colonization

Biology & Microbiology

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Animals that are hermaphroditic usually

a. fertilize their own eggs. b. cross-fertilize. c. donate eggs to other individuals. d. cannot reproduce sexually. e. fit all of these descriptions

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__________ that impart greater __________ to an

individual become more common in a population over generations, compared with less competitive forms. Fill in the blank(s) with the appropriate word(s).

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Which of the following is NOT true of enzyme behavior?

a. Enzyme shape may change during catalysis. b. Enzymes cannot make something happen that would not happen on its own. c. All enzymes have an active site where substrates are temporarily bound. d. Each enzyme can catalyze a wide variety of different reactions. e. Enzymes speed up reactions.

Biology & Microbiology

The presence of viruses in the blood is called ________.

A. hemovirus B. fungemia C. viremia D. septicemia

Biology & Microbiology