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CAIE A-Level Biology A2 12.2.1 Four Stages of Aerobic Respiration Location Questions

Describe the four aerobic-respiration stages and locations using evidence from each question and mark scheme.

Syllabus
2028–2030
Course
Biology 9700
Level
A2

Exam points

  • Describe the four stages of aerobic respiration and where each occurs in cells.

CAIE A-Level Biology A2 12.2.1 Four Stages of Aerobic Respiration Location Questions question 1

[Maximum number: 3]

Oxygen is needed for aerobic respiration in cells.
In eukaryotic cells, the mitochondrion is the organelle used for aerobic respiration.

Fig. 1.1 shows a transmission electron micrograph of a mitochondrion.

Fig. 1.1

Fig. 1.1

Table 1.1 lists the four stages of aerobic respiration.
With reference to Fig. 1.1, complete Table 1.1 using the letters A-D to show where each stage occurs.

Each letter may be used once, more than once or not at all.

Table 1.1

Table 1.1

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