Question

. When oxygen is depleted, the electron transport chain stops. What is happens when oxygen is depleted? Select all that apply. The citric acid cycle would not change. The citric acid cycle would stop Fermentation would start ATP synthase would not change ATP synthase would stop

Answer 1

Answer =

When oxygen is depleted , the electron transport chain stops , when oxygen is depleted the following will happen

Fermentation would start

Explanation - Fermentation is the anaerobic process.it occurs in absence of oxygen.when there is depletion in oxygen, the pyruvate which is formed from glucose undergoes anaerobic fermentation. the products of fermentation are carbon dioxide and ethanol.

The citric acid cycle would stop

Explanation = .The pyruvate which is the end product of glycolysis nder aerobic condition converted into acetyl CoA. This acetyl CoA enter into the Citric acid cycle. When there is depletion in oxygen level there is no conversion of pyruvate into acetyl -CoA takes place.

therefore citric acid cycle would stop.

ATP synthase would stop:

Explanation = ATP synthase is important enzyme which carry out the process of synthesis of ATP.this enzyme uses the proton gradient which is created by the electron transport chain.

ATP synthesis is lso called as a oxidative phosphorylation, because it occurs in presence of oxygen.

if there is depletion in oxygen , then ATP synthase would stops.