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1.1 Cell structure

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Question 63

In an electron micrograph of nerve tissue, a scientist counted far more mitochondria at the nerve endings than in other parts of the nerve cells.

What is the reason for the large number of mitochondria at the nerve endings?

[1]
A

To insulate the nerve endings and speed up impulses

B

To release the energy the nerve endings need

C

To make the proteins the nerve endings need

D

To control what enters and leaves the nerve endings

Markscheme

1.1 Cell structure Questions

  1. GCSE
  2. /Biology
  3. /1.1 Cell structure

282 exam-style questions on AQA GCSE Biology 1.1 Cell structure, covering 1.1.1 Eukaryotes and prokaryotes, 1.1.2 Animal and plant cells, 1.1.3 Cell specialisation, 1.1.4 Cell differentiation, 1.1.5 Microscopy, and 1.1.6 Culturing microorganisms. Each one has a worked solution and a mark scheme showing where the marks go.

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