Question

Which one of the following statements about human ***** is correct ?

(a) Acrosome has a conical pointed structure used for piercing and penetrating the egg, resulting in fertilisation

(b) The ***** lysins in the acrosome dissolve the egg envelope facilitating fertilisation

(c) Acrosome serves as a sensory structure leading the ***** towards the ovum

(d) Acrosome serves no particular function

Answer 1

Correct option (b) The ** lysins in the acrosome dissolve the egg envelope facilitating fertilisation*

Explanation

** of human is a chemical mechanism. In this, acrosome of undergoes acrosomal reaction and releases certain lysins, which dissolve the egg envelope locally and make the path for the ** of . * lysins are acidic proteins.

These ***** lysins contain a lytic enzyme hyaluronidase (that dissolves the hyaluronic acid polymers in the intercellular spaces, which holds the granulosa cells of corona radiata together) corona penetrating enzyme and acrosin.