Any Factor That Increases the Amino Acid Pool in the Muscle

Multiple Choice

Any factor that increases the amino acid pool in the muscle can enhance protein metabolism in the exercising muscle.Which of the following factors can increase the amino acid pool in the muscle?

A) short-duration (i.e. ,1-3 minutes) high intensity exercise.
B) prolonged exercise (> 2 hours) .
C) high levels of lactate in the blood.
D) None of the above answers are correct.