Which one of the following statements...

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 fertilisation

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

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

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

Acrosome serves no particular function

Acrosome has a conical pointed structure used for mechanically piercing and penetrating the egg, resulting in fertilisation

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

Acrosome serves as sensory structure leading the sperm towards to ovum

Fossils of Homo neanderthalensis have been found recently in South America

Neanderthal man and Cro-magnon man did exist for sometime together

Australopithecus fossils have been found in Australia

Homo erectus was preceded by Homo habilis