What happens during the Krebs cycle

Explanation:

the Krebs cycle occurs on the mitochondrial matrix and generates a pool of chemical energy from the oxidation of pyruvate, the end product of glycolysis. pyruvate is transported into the mitochondria and loses carbon dioxide to form acetyl-CoA, a 2-carbon molecule

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex