sexual reprod Flashcards
1
Q
sperms has mitrochondria
A
ATP for movement
2
Q
sperm has tail
A
allows sperm to swim to egg
3
Q
sperm has acrosome
A
has full digestive enzyme which is used to penetrate the egg
4
Q
fertilisation
A
gametes must meet and fuse together to form zygote
5
Q
how do sperms move up?
A
through the cervix and uterus up the fallopian tubes where they meet the ovum and fertilisation takes place
6
Q
acrosome reaction
A
digestive enzymes are releases, digesting the zona pellucida
only one sperms enters
7
Q
cortical reaction
A
cortical granules released
strengthing the zona pellucida so no other sperms can enter
Only the sperm head can enter and the tail is seperated