Mitochondria and chloroplasts are semi-autonomous as they possess

Food is converted to energy in

Mitochondria in the living cell can readily be identified from other organelles of the cell through a light microscope by using:

Read the statements $P$ and $Q$:
$P$: The number of mitochondria in each cell does not depend on the physiological activity of the cell.
$Q$: Mitochondria are present in both plant and animal cells.
Select the correct option from the given choices.

In the given diagram of a mitochondrion,four parts are labeled $A, B, C, D$. Select the correct match between the part and its function.

The presence of genes for extranuclear inheritance is found in....