Under what conditions would you expect a plant to have the highest concentration of abscisic acid (ABA)?

A) wet tropical rain forest
B) cool environment after a heavy rain
C) houseplant growing in low light conditions
D) desert after a long drought


Answer: D

Biology & Microbiology

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DNA replication is a complex process, and, as a result, the frequency of error is quite high.

Answer the following statement true (T) or false (F)

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A mutant soybean plant that is unable to produce leghemoglobin will most likely suffer from ____ deficiency

a. phosphorus b. magnesium c. potassium d. oxygen e. nitrogen

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Ciliates

A.move by pseudopods B. are not as varied as other protists C. have a gullet for food gathering D. do not divide by binary fusion E. are closely related to the radiolarians

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What drug may protect against having a first heart attack?

A. ACE B. beta-blockers C. aspirin D. acetaminophen E. t-PA

Biology & Microbiology