Perforation plates are characteristic of the ______ of ______.
A) tracheids; angiosperms
B) vessel elements; angiosperms
C) tracheids; gymnosperms
D) vessel elements; gymnosperms
E) tracheids; seedless vascular plants
Correct Answer:
Verified
Q22: During the differentiation of sieve-tube elements, which
Q23: Stomata are the _ between _.
A)cells; subsidiary
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Q25: Which of the following statements about sieve
Q26: A subsidiary cell is most closely associated
Q28: One role of pit membranes in tracheids
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Q30: Which of the following statements about forisomes
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Q32: A cell that is alive at maturity
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