2nd sem: events of fertilization Flashcards
1
Q
First phase of fertilization involves?
A
Capacitation
2
Q
Before penetrating the _______, sperms undergo capacitation
A
corona radiata
3
Q
What process follows capacitation of sperms?
A
Acrosomal reaction
4
Q
What phase is the penetration of the zona pellucida under?
A
Phase 2
5
Q
In the penetration of the zona pellucida, what happens immediately?
A
permeability of zona pellucida changes and acrosome reaction is induced by the zona proteins
6
Q
The process that occurs upon fusion of the oocyte and spermatozoa
A
Both head and tail of the spermatozoon enter the cytoplasm of the oocyte
7
Q
The plasma membrane of the spermatozoon is ____ the oocyte surface
A
left behind