Which of the following observations most strongly support that mitochondria contain electron transport
enzymes aggregated into compact association?
a) Mitochondria have a highly folded inner wall.
(b) Disruption of mitochondria yields membrane
fragments, which are able to synthesise ATP.
c) A contractile protein capable of utilising ATP has been obtained in Mitochondria.
d) Mitochondria in animal embryos have a tendency to concentrate in cells, which are to become locomotory structures.