A change in ovum after penetration of sperm is

At the time of penetration of sperm within the ovum, an active enzyme called____ is formed from sperm.

The corona radiate of an ovum acts as a barrier for the penetration of sperms. How do sperms overcome this barrier?

Explain the penetration mechanism of a sperm into an egg.

After a sperm has penetrated an ovum , the entry of other sperms is prevented by :

Preparation of sperm before penetration of ovum is

Preparation of sperm before penetration of ovum is

Preparation of sperm before penetration of ovum is

Preparation of sperm before penetration of ovum is

Maturation of sperm before penetration of ovum is called: