Advertisements
Advertisements
Question
Given below is the name of certain stage/substance related to reproduction and found in human body. Answer the questions related to it.
Hyaluronidase.
- Is it an enzyme or simply a protein?
- What is its function?
Advertisements
Solution
- Hyaluronidase is an enzyme.
- The acrosome at the top of the head of the sperm secretes an enzyme (hyaluronidase), which facilitates entry of the sperm into the egg by dissolving the wall of the ovum.
APPEARS IN
RELATED QUESTIONS
State whether the following statements are TRUE (T) or FALSE (F):
Rewrite the wrong statement by correcting only one word either at the beginning or at the end of the sentence.
Fertilisation occurs in vagina.
Given below are the names of certain stages/substances related to reproduction and found in human body. Answer the questions related to them.
Gestation
• What is its meaning?
• How long does it normally last?
Differentiate between:
Follicle and corpus luteum
Differentiate between:
Amnion and allantois
Describe briefly the ways how a mammalian embryo is nourished
Give Reasons
The full-grown human embryo respires but does not breathe.
Name the Following
The expulsion of the fetus from the body of the mother.
Give Technical Term:
Name a membrane that surrounds the fetus and secretes a protective fluid.
Give Technical Term:
The period of intrauterine development of the embryo.
Assertion (A): The foetus respires but does not breathe.
Reason (R): The maternal blood supplies oxygen to the foetus through placenta.
