The plant hormone that promotes fruit ripening is ____.
A. auxin
B. gibberellin
C. cytokinin
D. abscisic acid
E. ethylene
Answer: E
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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.
Down syndrome involves trisomy
a. 3. b. 5. c. 15. d. 19. e. 21.
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.
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