The diagram shows a sperm cell from a human and a sperm cell from a mouse. - human - head region - middle region - tail region Overall length 40 µm - mouse - head region - middle region - tail region Overall length 100 µm (a) Calculate how many times longer the mouse sperm cell is compared with the human sperm cell.

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The diagram shows a sperm cell from a human and a sperm cell from a mouse - Edexcel - GCSE Biology - Question 4 - 2016 - Paper 1

Question 4

The diagram shows a sperm cell from a human and a sperm cell from a mouse. - human - head region - middle region - tail region Overall length 40 µm - mouse... show full transcript

Worked Solution & Example Answer:The diagram shows a sperm cell from a human and a sperm cell from a mouse - Edexcel - GCSE Biology - Question 4 - 2016 - Paper 1

Step 1

Calculate how many times longer the mouse sperm cell is compared with the human sperm cell.

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Answer

To determine how many times longer the mouse sperm cell is compared to the human sperm cell, we use the formula:

ext{Ratio} = rac{ ext{Length of Mouse Sperm Cell}}{ ext{Length of Human Sperm Cell}} = rac{100 ext{ µm}}{40 ext{ µm}}.

Calculating this gives:

ext{Ratio} = rac{100}{40} = 2.5.

Thus, the mouse sperm cell is 2.5 times longer than the human sperm cell.

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