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Cambridge AS & A Level Biology

12Energy and respiration

Energy and respiration in Cambridge AS & A Level Biology: what the syllabus expects you to know, the learning objectives and how to practise.
Topic99 practice questions5 lessons

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Lessons

  • Energy in living organisms and ATP

    35 min

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  • Respiratory substrates, RQ and respirometers

    45 min

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  • Anaerobic respiration: lactate and ethanol fermentation

    40 min

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  • Glycolysis, the link reaction and the Krebs cycle

    45 min

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  • Oxidative phosphorylation and the mitochondrion

    40 min

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Sample question

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Energy and respiration: sample question

1 mark

What is the main role of converting pyruvate to lactate in a muscle cell short of oxygen?

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