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Sperm penetrates the secondary oocyte with the help of:
Option: 1
Fertilizin
Option: 2
Antifertilizin
Option: 3
Sperm Lysin
Option: 4
Fertilization membrane
Answers (1)
As we have already discussed in Events of Fertilization -
Acrosomal Reaction:
- The capacitated sperm undergo acrosomal reaction to release various chemicals present in the acrosome. Such chemicals are called sperm lysins.
- Sperm lysins are:
- Hyaluronidase: It acts on the ground substance of follicles.
- Corona penetrating enzymes: These dissolve corona radiata.
- Zona lysin or Acrosin: It digests the zona pellucida.
Hence, the correct option is (c).
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