Figure 13 shows a sperm cell - Edexcel - GCSE Biology - Question 9 - 2021 - Paper 1
Question 9
Figure 13 shows a sperm cell.
Describe how structure A and structure B enable fertilisation.
structure A
structure B
Worked Solution & Example Answer:Figure 13 shows a sperm cell - Edexcel - GCSE Biology - Question 9 - 2021 - Paper 1
Step 1
Structure A
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Answer
Structure A refers to the mitochondria present in the sperm cell. These organelles are crucial as they release energy for respiration. This energy is vital for the sperm's motility, enabling it to swim and reach the egg for fertilisation.
Step 2
Structure B
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Answer
Structure B is the acrosome, which contains enzymes necessary for the fertilisation process. These enzymes help digest the egg cell membrane, allowing the sperm to penetrate and fertilise the egg.
