Explain the roles of the flagellum , the mitochondria and the acrosome in sperm cells.
Flag Acrosome : 1. Releases enzymes 2. Enzymes break down protein layer . 3 . Sperm nucleus can enter egg cell . Egg and sperm fuses together . Mitochondria : Aerobic respiration . Flagellum : Propels sperm to fertilise egg :
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