Multiple Choice
Which of the following events suggests there is a change in the egg cell membrane after penetration by a sperm?
A) The pollen tube grows away from the egg toward the polar nuclei.
B) The Ca2+ concentration increases in the cytoplasm of the egg.
C) The egg plasmolyzes.
D) Double fertilization occurs.
E) The egg changes color.
Correct Answer:

Verified
Correct Answer:
Verified
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