Question

why is inner membrane of Mitochondria folded​

Answer 1

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The inner membrane folds over many times and creates layered structures called cristae. The fluid contained in the mitochondria is called the matrix. The folding of the inner membraneincreases the surface area inside the organelle.

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Answer 2

For increasing the surface area.Explanation:Inner membrane of mitochondria contains f1-f0 particles called Fernandez Moran subunits. More the surface area more the number of subunits present.