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) CA2+ builds up in the cytoplasm of the egg.
C) The egg cell plasmolyzes.
D) Double fertilization occurs.
E) There is a spike in membrane transport activity.
Answer: B
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.