The plant hormone that promotes fruit ripening is ____.

A. auxin
B. gibberellin
C. cytokinin
D. abscisic acid
E. ethylene


Answer: E

Biology & Microbiology

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The highest point on a reef is called the:

a. reef crest. b. reef flat. c. reef front. d. back reef. e. leeward edge.

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Down syndrome involves trisomy

a. 3. b. 5. c. 15. d. 19. e. 21.

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When energy captured by antenna pigments of LHCII is funneled to the reaction center it changes the reduction potential of a P680 chlorophyll a molecule to ________, making it a better electron ________

A) ?0.80 V; donor B) ?0.80 V; acceptor C) +0.80 V; donor D) +0.80 V; acceptor E) None of the above are correct.

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A rare or uncommon version of a trait that is not life-threatening, such as having six fingers on one hand, is called a(n)______.

A. genetic disorder B. genetic abnormality C. mutation D. non-Mendelian trait E. polygenic trait

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