Multiple Choice
In sea urchins, the "fast block" and the longer lasting "slow block" to polyspermy, respectively, are ________.
A) the acrosomal reaction and the formation of egg white
B) the cortical reaction and the formation of yolk protein
C) the jelly coat of the egg and the vitelline membrane
D) membrane depolarisation and the cortical reaction
Correct Answer:
Verified
Correct Answer:
Verified
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