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31) Which of the following is NOT a main part of ATP synthase in mitochondria? A) a protruding knob B) a bilayer component th

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Answer #1

The answer is option D - a cylindrical component within the membrane

The cylindrical component in the membrane is called thylakoids. Thylakoids contain chlorophyll and it is present in the inner membrane of the chloroplast. Thylakoids are part of ATP production during Photosynthesis. Mitochondria do not have thylakoids. It is not the main part of ATP synthase in mitochondria

So the answer is option D

a, b and c are part of ATP synthase in mitochondria

Protruding knob - A knob-like F1 component is a part of ATP synthase in mitochondria. It catalyzes ATP synthesis

Mitochondrial Phospholipids are the bilayer component that extends into the Krebs cycle.

Stator stalk of mitochondria is the rob or stalk that connects the other parts

Therefore options a,b,c and e are incorrect

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