IB Biology HL C1.2.14 Hl Proton Gradient Generation Questions
Practise IB Biology HL 1.2.14 by applying proton gradient generation concepts to exam questions.
- Syllabus
- First assessment 2025
- Course
- Biology HL
- Level
- HL
Exam points
- Identify the inner mitochondrial membrane as the barrier across which protons are pumped.
- Explain that electron-transfer energy moves protons from the matrix into the intermembrane space.
- Relate proton accumulation to an electrochemical gradient that can drive ATP synthesis.
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IB Biology HL C1.2.14 Hl Proton Gradient Generation Questions question 1
[Maximum number: 1]
Where are protons pumped, to allow chemiosmosis in aerobic respiration to occur?
A
From outside the mitochondrion through the double membranes
B
From carrier to carrier in the inner mitochondrial membrane
C
From the matrix of the mitochondrion to the space between the membranes
D
From the space between the membranes to the cytoplasm outside the mitochondrion
C
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