A variety of organic compounds from food can enter the reactions of aerobic respiration.

A Complex carbohydrates are broken down to their monosaccharide subunits, which can enter glycolysis.

A variety of organic compounds
from food can enter the reactions of aerobic respiration.
A Complex carbohydrates are broken down to their monosaccharide subunits, which can enter glycolysis.
b Fats are broken down by separating the glycerol head from the fatty acid tails. The fatty acids are converted to acetyl–CoA 2 , and the glycerol is converted to PGAL 3 .
C Amino acids are converted to acetyl–CoA, pyruvate, or an intermediate of the Krebs cycle 4 .