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]
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IB/H/Jun21/7402/2
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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
Category | AQA Questions and Marking Scheme |
Authors | Qwivy.com |
Pages | 33 |
Language | English |
Tags | AQA A Level Biology Paper 2 2021 Question Paper |
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