What are the two main substrates used for energy formation in muscles?
A) Fatty acids and protein
B) Glucose and fatty acids
C) Starch and fiber
D) Vitamins and glucose
E) Phospholipids and creatine
Question 2
Once a muscle's capacity to store glycogen is reached, any additional carbohydrate is converted to:
A) amino acids.
B) more glycogen; there is no limit.
C) fat.
D) waste and excreted from the body.