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  • Function of the fertilizin is to :  Option: 1 Make the sperm sticky  Option: 2<

Function of the fertilizin is to :
 

Option: 1

Make the sperm sticky
 


Option: 2

Cause clumping of sperms
 


Option: 3

Make sperm adhere to the surface of egg
 


Option: 4

All the above
 


Answers (1)

best_answer

As we already discussed in Events of Fertilization -

Fertilizin-Antifertilizin Reaction:

  • The sperm can fertilize an ovum only they are able to secrete the chemical hyaluronidase and possess a surface protein called antifertilizin (composed of acidic amino acid). 
  • The ovum secretes a chemical named fertilizin (composed of glycoprotein = monosaccharides + amino acids). 
  • The fertilizin interacts with the antifertilizin of the sperm and this interaction makes the sperm to stick to the surface of the ovum. 
     

Hence, the correct option is (d).

 

Posted by

Pankaj

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