The fifth cleavage of the fertilized egg of frog results in the formation of
$16\ cells$
$48\ cells$
$64\ cells$
$32\ cells$
Sertoli cells are regulated by the pituitary hormone known as
Sperm's acrosome has
Explain primary concept of male and female reproductive system.
The following graph of relative concentrations of the four hormones present in the blood plasma of a woman during her menstrual cycle. Identify the hormones $A, B, C$ and $D$
Which of the following enzyme helps sperm to penetrate zona pellucida?