Sperm cannot fertilize an oocyte until they
A)undergo capacitation.
B)undergo activation.
C)lose their acrosome.
D)are in the vagina for 3 days.
E)are activated by sustentacular cells of the vagina.

Question

Quizplus · Accepted Answer

Sperm must undergo capacitation, a process where they become more motile and able to penetrate the protective layers surrounding the oocyte, in order to fertilize an oocyte. Activation, loss of the acrosome, and time spent in the vagina are not necessary for fertilization, and sustentacular cells in the vagina do not play a role in activating sperm.

Sperm Cannot Fertilize an Oocyte Until They