reproduction in organism

  • 0_1550067277665_0d79d845-f7c8-4d21-90b4-0e92ca7c2adb-image.png
    ans=(c) why not (b) and (d)

  • @sri
    fertilizin is specific protein itsinteraction with a substance surrounding sperm cells, called antifertilizin, causes the sperm to adhere to and penetrate the egg. The process is thought to ensure fertilization of the ovum only by sperm of its own species.
    So option D can't be correct
    Sperm lysin is correct
    Influx of Na + is also a part of it

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