CAIE A-Level Biology A2 12.2.9 Mitochondria Structure Function Relationship Questions
Explain the mitochondria structure-function relationship using evidence from each question and mark scheme.
- Syllabus
- 2028–2030
- Course
- Biology 9700
- Level
- A2
Exam points
- Explain the structure-function relationship of mitochondria.
CAIE A-Level Biology A2 12.2.9 Mitochondria Structure Function Relationship Questions question 1
Question (a)
(a)
Fig. 6.1 is a diagram of part of a mitochondrion.
Fig. 6.1
On Fig. 6.1, use arrows to show the route taken by oxygen from the cytoplasm into the mitochondrial matrix.
Question (b)
(b)
The matrix of a mitochondrion contains small circular DNA. In the cells of humans, the mitochondria have circular DNA that contains 37 genes.
Suggest functions for these mitochondrial genes.
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