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
Q9: In mammalian eggs, the receptors for sperm
Q10: The plasma membrane of the sea urchin
Q11: The formation of the fertilisation envelope requires
Q12: In a newly fertilised egg, the vitelline
Q13: As cleavage continues during frog development, the
Q16: During fertilisation, the acrosomal contents _.
A) block
Q17: Fertilisation of an egg without activation is
Q18: Even in the absence of sperm, metabolic
Q18: In order to test how sea urchin
Q19: Contact of a sea urchin egg with
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