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Cambridge IGCSE Biology practice

Paper 3 structured question: Anaerobic respiration

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Anaerobic respiration

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Paper 3Theory (Core)1 marks

Anaerobic respiration in yeast is used in baking and brewing. Yeast breaks down glucose without oxygen to produce alcohol and carbon dioxide.

Description

Anaerobic Respiration in Yeast

Yeast cells convert glucose into alcohol and carbon dioxide when oxygen is not available.

  1. a

    State the word equation for anaerobic respiration in yeast.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: Anaerobic respiration

Paper 3Theory (Core)1 marks

Description

Anaerobic Respiration in Yeast

Yeast cells convert glucose into alcohol and carbon dioxide without oxygen.

  1. a

    Identify one product of anaerobic respiration in yeast.

    Aim for approximately 1 distinct marking point.

    [1]