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Explain the function of anaerobic respiration in yeast during the process of making bread.

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Cambridge IGCSE BiologyBiotechnology and genetic modificationCore content

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Explain the function of anaerobic respiration in yeast during the process of making bread

  • This point belongs to Biotechnology, especially Biotechnology outcomes.
  • You need to be able to explain the function of anaerobic respiration in yeast during the process of making bread.
  • The key ideas to know are Describe.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

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Describe

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Description

Anaerobic respiration in yeast

Yeast respires anaerobically inside bread dough because oxygen is limited. This process produces energy, carbon dioxide, and ethanol.

  1. a

    Describe how anaerobic respiration in yeast helps bread to rise.

    Aim for approximately 2 distinct marking points.

    [2]
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