Plant Structure
The mitochondria were known in the nineteenth century to be osmotically active on the basis of evidence that

mitochondria were derived from a symbiotic bacterium
the mitochondrial matrix is hypotonic to the cellular cytoplasm
the mitochondrial matrix is hypertonic to the cellular cytoplasm
mitochondria are surrounded by a semi permeable membrane

ANSWER DOWNLOAD EXAMIANS APP

Plant Structure
Which of the following observations is not used as evidence to support the concept of endosymbiotic origin of chloroplasts and mitochondria?

Both can live and function independently of the cell
Both have their own ribosomes
Both have their own DNA
Both strongly resemble prokaryotes, especially in size

ANSWER DOWNLOAD EXAMIANS APP