Question

state the significance of two membrane coverings in stead of just one, in mitochondria

Answer 1

Mitochondria has two membranes. 1 Inner membrane 2 outer membrane
The outer membrane acts as a wall whereas the inner membrane folds into the mitochondria called cristae. these cristae help in increasing the surface area of the mitochondria

Answer 2

Answer: As you know there are two membrane in mitochondria

1 Outer membrane

2 Inner membrane