Which lytic enzyme is present in the sperm?

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Question

(D) The sperm head contains a cap-like structure called the acrosome. The acrosome is filled with enzymes that help in the fertilization of the ovum.

Vedclass · Accepted Answer

Hyaluronidase

Vedclass · Answer

(D) The sperm head contains a cap-like structure called the acrosome. The acrosome is filled with enzymes that help in the fertilization of the ovum. These enzymes are collectively known as sperm lysins. Hyaluronidase is a key lytic enzyme present in the acrosome,which helps the sperm to penetrate the layers of the ovum (specifically the corona radiata) by digesting the hyaluronic acid present in the intercellular matrix. Therefore,the correct option is $D$.

Column $I$	Column $II$
$(a)$ Multiplier phase	$(1)$ Undeveloped primary oocyte
$(b)$ Growth phase	$(2)$ Primary oocyte filled with developed cytoplasm
$(c)$ Maturation $1$	$(3)$ Secondary oocyte
$(d)$ Maturation $2$	$(4)$ Germinal epithelial cells

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Match the columns.

Column $I$ Column $II$

$(a)$ Multiplier phase $(1)$ Undeveloped primary oocyte

$(b)$ Growth phase $(2)$ Primary oocyte filled with developed cytoplasm

$(c)$ Maturation $1$ $(3)$ Secondary oocyte

$(d)$ Maturation $2$ $(4)$ Germinal epithelial cells

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