What happens during fertilisation in humans after many sperms.Reach close to the ov?
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The process of fusion of a sperm with an ovum is called fertilisation. During fertilization, a sperm comes in contact with the zona pellucida layer of the ovum and induces changes in the membrane that blocks the entry of additional sperms. Thus, it ensures that only one sperm can fertilise an ovum.
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Two identical cells wheather joined in series or in parallel give the same current when connected to an external resistance of 1 ohms. The internal resisteance of each cell is
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