Mitochondrial $DNA$ is.....

$P -$ Assertion: The inner membrane of the mitochondria forms a number of infoldings called cristae,which contain $F_1$ particles.
$Q -$ Reason: Cristae contain the components necessary for oxidative phosphorylation.

What is the diameter of the mitochondrion?

Which of the following cell organelles is known as the powerhouse of the cell?

If living cells similar to those found on Earth were found on another planet where there was no oxygen,which cell organelle would most probably be absent?

Mitochondria are also known as .......