Acrosome

Definition

A cap-like structure in the head of a sperm cell that contains enzymes used to break down substances in the egg's jelly coat.

Used by Edexcel

Specification 1.2 · Paper 1, Paper 2

At the tip of the head is the acrosome. It contains enzymes that break down substances in the egg cell's protective jelly coat, allowing the sperm to penetrate it. The head also contains a haploid nucleus.
Revise: Specialised Cells

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GCSE Biology · key term

A cap-like structure in the head of a sperm cell that contains enzymes used to break down substances in the egg's jelly coat.

Used by Edexcel

Specification 1.2 · Paper 1, Paper 2

At the tip of the head is the acrosome. It contains enzymes that break down substances in the egg cell's protective jelly coat, allowing the sperm to penetrate it. The head also contains a haploid nucleus.
Revise: Specialised Cells

Create a free account to read GCSE Biology revision notes for your exam board and track your progress.