Correct Answer: The gradient of protons across the membrane
Solution:
The proton motive force is the gradient of protons across the inner mitochondrial membrane that drives ATP synthesis.
What is the proton motive force?
Practice Questions
Q1
What is the proton motive force?
The energy from ATP hydrolysis
The gradient of protons across the membrane
The flow of electrons through the chain
The consumption of oxygen
Questions & Step-by-Step Solutions
What is the proton motive force?
Step 1: Understand that protons are positively charged particles found in atoms.
Step 2: Learn that the inner mitochondrial membrane is a barrier inside the mitochondria, which are the energy factories of cells.
Step 3: Know that a gradient means there is a difference in concentration; in this case, there are more protons on one side of the membrane than the other.
Step 4: Realize that this difference in proton concentration creates potential energy, similar to water behind a dam.
Step 5: Understand that this energy can be used to make ATP, which is the energy currency of the cell.
Step 6: Conclude that the proton motive force is the energy created by the difference in proton concentration across the inner mitochondrial membrane that helps produce ATP.
No concepts available.
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