Which statement about guard cells is false?
A. Fern guard cells shrink and swell in
concert with adjacent epidermal cells.
B. Angiosperm cells shrink and swell in
concert with adjacent epidermal cells.
C. Angiosperm guard cells exchange solutes
with adjacent epidermal cells.
D. The resting state of guard cells is closed.
A
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Why are tomatoes, squash, and beans considered fruits?
A. They contain seeds from a flowering plant. B. They are produced by a flowering plant. C. They develop from the reproductive structures of the flowers. D. They protect, provide nutrients for, and help distribute embryonic plants. E. All of the answer choices are correct.
Which species is most likely to be found in sewage treatment plants and in the guts of cattle?
A) species A B) species B C) species C D) species D
Entry of a virus into the lytic cycle after lysogeny has been established is called ________.
A. induction B. lysogenic conversion C. lysogenic reversion D. None of the choices are correct.
Of the following, which one is NOT found in the prokaryotic cells?
A. Cell membrane B. Chromosome(s) C. Mitochondria D. Plasmids