Which statement best describes the function of the mitochondria?

a.
they provide an outside barrier to the environment.

b.
they build and transport proteins.

c.
they allow for cellular motility.

d.
they assist with cellular respiration.

I think it is B. They build and transport proteins.

Mitochondria are what turn on the Powerhouse. Mitochondria are known as the powerhouses of the cell. They are organelles that act like a digestive system which takes in nutrients, breaks them down, and creates energy rich molecules for the cell. The biochemical processes of the cell are known as cellular respiration.

Ithink the answer is d.