[The sperm lysins in the a...] Which one of the following statements about human sperm is correct?

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Which one of the following statements about human sperm is correct?

Acrosome serves no particular function

Acrosome has a conical pointed structure used for piercing and penetrating the egg resulting in fertilization

The sperm lysins in the acrosome dissolve the egg envelope facilitating fertilization

Acrosome serves as a sensory structure leading the sperm towards the ovum

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