Question

Identify if the statements are true or false

1. Hydrogen ions enter the mitochondrial matric via facilitated diffusion (faciliated transport)

2. The pH in the mitochondrial matric is lower than the pH in the intermembrane space

3. Energy is generated as a result of the difference in hydrogen ion concentration between the intermembrance space and the cytoplasm

4. ATP synthase provides energy in the form of ATP to actively transport H+ into the mitochondrial matrix

5. Hydrogen ion concentration is lower in the mitochondrial matric than in the intermembrane space

6. Oxidative phosphorylation relies on the hydrogen ion concentration gradient generated and maintained by the ETC.

There are 3 correct answers

Answer 1

Hydrogen ions enter the mitochondrial matric via facilitated diffusion (faciliated transport) TRUE

The pH in the mitochondrial matric is lower than the pH in the intermembrane space FALSE

Energy is generated as a result of the difference in hydrogen ion concentration between the intermembrance space and the cytoplasm FALSE

ATP synthase forms a channel for hydrogen ions to enter the mitochondrial matrix and couples the energy gained from the diffusion of hydrogen ions to the release of ATP. FALSE

Hydrogen ion concentration is lower in the mitochondrial matric than in the intermembrane space. TRUE

Oxidative phosphorylation relies on the hydrogen ion concentration gradient generated and maintained by the ETC.  TRUE

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