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1.3 Respiration

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Question 25

A treatment stops respiration in a cell. The treatment does not directly affect the cell's ribosomes or its supply of amino acids.

Time after respiration stops (s)ATP remaining (% of initial amount)
0100
142
28

Use the data to predict what happens to the rate of protein synthesis during the first 2 seconds. Explain your answer.

[3]
Markscheme

1.3 Respiration Questions

  1. GCSE
  2. /Biology
  3. /1.3 Respiration

113 exam-style questions on OCR GCSE Biology 1.3 Respiration, covering 1.3.1 Cellular respiration supplies ATP, 1.3.2 Aerobic and anaerobic respiration, 1.3.3 Sugars and carbohydrates, 1.3.4 Amino acids and proteins, and 1.3.5 Fatty acids and lipids. Each one has a worked solution and a mark scheme showing where the marks go.

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