|
Title: In sea urchins, the "fast block" and the longer lasting "slow block" to polyspe Post by: ppk on May 23, 2011 In sea urchins, the "fast block" and the longer lasting "slow block" to polyspermy, respectively, are
A) the jelly coat of the egg and the vitelline membrane. B) inactivation of the sperm acrosome. C) the cortical reaction and the formation of yolk protein. D) the acrosomal reaction and the formation of egg white. E) membrane depolarization and the cortical reaction. Title: Re: In sea urchins, the "fast block" and the longer lasting "slow block" to polyspe Post by: bio_man on Jun 12, 2011 Content hidden
|