Domain. Eukaryota.
Kingdom. Animalia.
Phylum. Chordata.
Class. Mammalia.
Order. Primates.
Family. Homindae.
Genus. Homo.
Species. Sapiens.
Answer:
In eukaryotes, the Krebs cycle reactions take place in the mitochondrial matrix, a dense solution that surrounds the mitochondria crests: in addition to water, the matrix contains all the enzymes necessary for the biochemical reactions of the cycle, coenzymes, and phosphates.
Explanation:
The mature stage. I hope this was helpful.