IB Biology HL 1.2.14 Proton gradient generation Question Bank
Practise IB Biology HL 1.2.14 by applying proton gradient generation concepts to exam-style questions.
- Syllabus
- First assessment 2025
- Course
- Biology HL
- Level
- HL
Exam points
- identify the relevant biological structure, process or evidence
- apply the correct biological mechanism to the question
- evaluate the result using data, adaptation or ecological reasoning
C1.2.14 (HL)—Proton gradient generation 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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