Multiple choice

The mobility of a motile sperm is controlled by the mitochondria located in the

  1. head

  2. middle piece

  3. tail

  4. all of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The mobility of a motile sperm is controlled by the mitochondria located in the middle piece. The mitochondria, being carrier of oxidative enzymes, are the “power plants” furnishing the work energy for the fibre system of the spermatozoon. 

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