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1.3 Respiration

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Question 3

Food in an animal's small intestine is digested by enzymes. One substance in the food is hydrolysed, and the products absorbed into the blood are amino acids.

Which substance was hydrolysed?

[1]
A

lipid

B

starch

C

glucose

D

protein

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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