Multiple Choice
In sea urchins, which of the following pairs of events most directly results in the short-lasting "fast block" and the longer-lasting "slow block" to polyspermy, respectively?
A) the acrosomal reaction and vitellogenesis
B) the cortical reaction and the formation of yolk protein
C) formation of the jelly coat and the vitellin membranes
D) membrane depolarization and the cortical reaction
Correct Answer:
Verified
Correct Answer:
Verified
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