Which of the following are correct for inner mitochondrial membrane?
I. The electron transfer and ATP synthesising system are present in inner mitochondrial membrane.
II. It bears small granules called oxysomes.
III. It contains protein called porins.
IV. it contains less than 10% of the total protein of mitochondria.
A. I and IV
B. I and II
C. I,II and III
D. II and III