AQA A Level Biology Paper 2 2021 Question Paper

AQA A Level Biology Paper 2 2021 Question Paper


Answer all questions in the spaces provided. box

0 1 . 1 Describe the process of glycolysis.

[4 marks]

0 1 . 2 Malonate inhibits a reaction in the Krebs cycle.

Explain why malonate would decrease the uptake of oxygen in a respiring cell.

[2 marks]

6

 3 / 4

3

*03*

Turn over ►

IB/H/Jun21/7402/2

Do not write

outside the

0 2 box . 1 Explain how a resting potential is maintained across the axon membrane in a

neurone.

[3 marks]

0 2 . 2 Explain why the speed of transmission of impulses is faster along a myelinated axon

than along a non-myelinated axon.

[3 marks]

Question 2 continues on the next page

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Category AQA Questions and Marking Scheme
Authors Qwivy.com
Pages 33
Language English
Tags AQA A Level Biology Paper 2 2021 Question Paper
Comments 0
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