Multiple choice

Inner membrane folding in mitochondria is called

  1. cristae

  2. sacs

  3. calcium oxalate crystal

  4. grana

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A Correct answer
Explanation

Mithochondria is a membrane bound organelle having two membranes i.e., outer and inner and two compartiments i.e., intermembrane space and matrix. The outer membrane is a typical lipoproteinaceous smooth while inner membrane have large number of foldings into matrix called as cristae or mitochondrial crestae.