$F_1$ particles / oxysomes / elementary particles are present in:

In the given figure of a mitochondrion,which alphabet indicates the location of the matrix where circular $DNA$ is present?

Which statement is incorrect regarding mitochondria?

Which of the following statements regarding mitochondrial membrane is not correct?

Which of the following observations most strongly supports the view that mitochondria contain electron transfer enzymes aggregated into compact associations?

Which of the following is a self-replicating organelle?