The mitochondria were known in the nineteenth century to be osmotically active on the basis of evidence that
A.
the mitochondrial matrix is hypotonic to the cellular cytoplasm
B.
the mitochondrial matrix is hypertonic to the cellular cytoplasm
C.
mitochondria were derived from a symbiotic bacterium
D.
mitochondria are surrounded by a semi permeable membrane
Correct answer is D
No explanation has been provided for this answer.
