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1.3 Respiration

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Question 30
H

Starch and proteins are described as polymers. Lipids are not usually described as polymers. Which statement explains this?

[1]
A

Lipids are broken down by enzymes, but polymers cannot be broken down.

B

Lipids are not made from a long chain of repeating monomer units.

C

Lipids contain glycerol, which is a type of amino acid monomer.

D

Lipids are only used to store energy, but polymers are not used.

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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