The human genome contains about how many genes?

a. 1,000
b. 10,000
c. 20,000
d. 100,000
e. 200,000


ANSWER: c

Biology & Microbiology

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Integration of body functions is controlled by

the a. respiratory system. b. nervous system. c. endocrine system. d. defense system. e. nervous system and the endocrine system.

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What do the four membranes of apicoplasts imply about the nature of the endosymbiosis event that produced them?

What will be an ideal response?

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Many microbial habitats are unsuitable for plants and animals

Indicate whether the statement is true or false.

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Females choosing males with elongated

eyestalks over those with short eyestalks is an example of

a. directional selection. b. disruptive selection. c. dominance. d. a sexual handicap. e. sexual selection

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