The molecule that is the main source of ATP synthesis
A
Glucose
B
Triglycerides
C
Proteins
D
Cholesterol
Correct Answer: Glucose
In general, the main energy source for cellular metabolism is glucose, which is catabolized in the three subsequent processes—glycolysis, tricarboxylic acid cycle (TCA or Krebs cycle), and finally oxidative phosphorylation—to produce ATP.