Function of gynogamone$-I$ is
Conserves sperm activity
Dissolves vitelline membrane
Neutralizes androgamone$-I$ thereby increasing sperm activity
Makes sperm head sticky to facilitate attachment of sperm to egg surface
When mouth develops from blastopore, the organism is called
$A$ : In frog gray cresent is formed during fertilization.
$R$ : It is because the black granules move towards the point of entry of the sperm in animal half
Endometrium is lining of
Aldosterone is secreted by
The membrane investing the ovum just outside the membrana granulosa is