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1.3 Respiration

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Question 18
H

A student wants to investigate how temperature affects the rate of anaerobic respiration in yeast.

The student is given:

  • yeast suspension
  • glucose solution
  • boiling tubes, a bung and a delivery tube
  • a gas syringe
  • water baths
  • a stop clock.

Plan an investigation to find out how temperature affects the rate of anaerobic respiration in yeast.

[6]
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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