Mitosis occurs after the G2 phase in the cell cycle.
A. It has organelles enclosed in membranes
Cells that have no mitochondria are unable to convert oxygen into energy, found in the form of adenosine triphosphate (ATP). All multicellular eukaryotic organisms, including plants and animals, have mitochondria in some cells, but prokaryotes and some single-cell eukaryotes do not have mitochondria.
The answer is B) Genetic variation