The fertilization membrane is secreted because

Fertilization membrane is formed to

Fertilization membrane is formed to

Peritrophic membrane is secreted by

Peritrophic membrane is secreted by

Peritrophic membrane is secreted by

Peritrophic membrane is secreted by

Peritrophic membrane is secreted by

(i) For fertilization to occur, the egg must be transported earlier to the fallopian tube. (ii) Twins are formed because fertilization membrane is formed later. (iii) Binding of sperms to receptor molecules in zona. Pellucida is seen during fertilization (iv) Morula is formed before blastocyst

Plasma membrane is asymmetric because