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1.3 Respiration

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Question 3

A fungal cell hydrolyses two polysaccharide chains. The first chain contains 86 glucose units and the second contains 43 glucose units.

Calculate the total number of water molecules used to hydrolyse both chains completely.

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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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