Sperm's acrosome has
Hyaluronic acid and proacrosin
Hyaluronic acid and Fertilizin
Hyaluronidase and proacrosin
Fertilizin and proacrosin
If both ovaries are removed from a rat, then which hormone is decreased in blood
Sertoli's cell are regulated by the pituitary hormone known as
Embryo at $16$ -celled stage is called
Phallic organs in cockroach are related to
During gastrulation ....... is formed