Which substance induces "bolting," the rapid elongation of a plant stem?

A) a gibberellin
B) abscisic acid (ABA)
C) ethylene
D) phytochrome


Answer: A

Biology & Microbiology

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The bacterium Escherichia coli comprises a significant fraction of the bacterial population in healthy adult humans, ranging from 10-50%

Indicate whether the statement is true or false.

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Which gland is both an exocrine and endocrine

gland? a. pancreas b. adrenal c. ovary d. thyroid e. pituitary

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What would a scientist see when looking through a microscope at a piece of shoulder muscle?

A. striations with branched fibers B. no striations and unbranched fibers C. no striations and branched fibers D. striations with unbranched fibers E. None of the answers are correct.

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High NADH concentration regulates pyruvate oxidative decarboxylation and the citric acid cycle by allosterically inhibiting interacting with each of the following enzymes except

A) pyruvate dehydrogenase. B) isocitrate dehydrogenase. C) ?-ketoglutarate dehydrogenase. D) malate dehydrogenase. E) succinate dehydrogenase.

Biology & Microbiology