Which of the following statements regarding mitochondria is incorrect?

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Mitochondrial matrix contains single circular DNA molecule and ribosomes.

Outer membrane is permeable to monomers of carbohydrates, fats and proteins.

Enzymes of electron transport are embedded in outer membrane.

Inner membrane is convoluted with infoldings

answer is C.

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Detailed Solution

Enzymes of electron transport are embedded in the inner membrane of the mitochondria. Succinate dehydrogenase is bound to the inner membrane of the mitochondria.Mitochondria is known as bacterial endosymbiont as it contains single, circular DNA molecule and 70S ribosome both of which resemble that of prokaryotes.Outer membrane of the mitochondria is more permeable to substance like monomers of carbohydrates, fats and proteins. The inner membrane of mitochondria has the presence of cardiolipins which significantly decreases the membrane permeability.Inner membrane has infoldings which are called the cristae. The cristae significantly increase the surface area.

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