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Question

What is the functional significance of the convoluted folded shape of the inner membrane of the mitochondria, referred to as the cristae?

A
It allows for more electron transport chains and ATP synthase molecules to fit which allows for faster ATP regeneration.
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B
It allows for faster removal of carbon dioxide which prevents the formation of carbonic acid in the matrix, slowing down ATP regeneration.
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C
It allows for the faster absorption of oxygen by the mitochondria and therefore, greater efficiency of glycolysis.
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D
It allows for the faster absorption of lactate molecules which allows the Krebs cycle to run faster resulting in faster ATP regeneration.
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Solution

The correct option is A It allows for more electron transport chains and ATP synthase molecules to fit which allows for faster ATP regeneration.
The inner membrane of mitochondria contains ATP synthase complex which utilizes the energy from the electron transport chain to create proton motive force to synthesize ATP
So, the correct answer is 'It allows for more electron transport chains and ATP synthase molecules to fit which allows for faster ATP regeneration'

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