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Middle piece of mammalian sperm possesses

1. mitochondria and centriole
2. mitochondria only
3. centriole only
4. nucleus and mitochondria

Correct answer: mitochondria and centriole

Solution

The middle piece of mammalian sperm is packed with mitochondria to supply ATP for tail movement, and it also includes the centriole region near the neck. The nucleus is in the head, not the middle piece.

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