A A because it look like the definition
Answer:
it is Basic brooooooo. No B NOT C AND NOT D. oNly A
it takes place in the eukaryotic and prokaryotic cells.
in eukaryotes cell, it occurs in the matrix of the mitochondrion.
as you consider this, to me the answer is matrix
Environmental functions is the correct option. Hope it helped U. If it helped you please mark as brainliest