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CAIE IGCSE Biology 12.2.1 Aerobic Respiration As the Chemical Questions

Practise describing aerobic respiration as oxygen-dependent reactions in cells that break down nutrient molecules and release energy.

Syllabus
2026–2028
Course
Biology 0610

Exam points

  • describe how cells use oxygen to break down glucose and release energy in aerobic respiration
  • interpret respirometer liquid movement to infer oxygen uptake during aerobic respiration
  • explain how oxygen shortage or mitochondrial enzyme failure prevents energy release from aerobic respiration

CAIE IGCSE Biology 12.2.1 Aerobic Respiration As the Chemical Questions question 1

[Maximum number: 1]

Some students were studying the activity of yeast. They made a fact file, as shown in Fig. 1.1.

Fig. 1.1

Fig. 1.1

State the process that occurs in mitochondria to provide energy for yeast cells.

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