Ascientist wants to study the enzymes of the citric acid cycle in eukaryotic cells. what part of the cell would she use as a source of these enzymes?

The part of the cell would she use as a source of these enzymes is the mitochondrial matrix. It contains he mitochondria's DNA, ribosomes, soluble enzymes, small organic molecules, nucleotide cofactors, and inorganic ions. Thank you for posting your question here. I hope the answer helps. 

It's speed of rotation.

It makes up an community