The point of entry for an amino acid into the Krebs cycle is determined by its:
a. nitrogen content.
b. caloric content.
c. potential to produce ammonia.
d. structure.
Q. 2On a gram for gram basis, protein has approximately the same amount of energy as:
a. carbohydrate.
b. fat.
c. alcohol .
d. minerals.
Q. 3One gram of protein yields approximately how many kcal?
a. 1
b. 4
c. 7
d. 9
Q. 4An increase in the size of skeletal muscle tissue is referred to as:
a. proteolysis.
b. proteoneogenesis.
c. hypertrophy.
d. protein-sparing effect.
Q. 5Protein is best used:
a. as a source of glucose.
b. as a concentrated source of energy.
c. for growth and repair of tissue.
d. for metabolic regulation of fat.
Q. 6To provide a protein-sparing effect, the athlete needs to consume sufficient:
a. complementary proteins.
b. energy from carbohydrate and fat.
c. fluid.
d. animal proteins.
Q. 7How are amino acids supplied to the amino acid pool?
a. Skeletal muscle catabolism
b. De novo synthesis
c. Dietary protein
d. All of the above
Q. 8Which amino acid is found in the greatest concentration in the amino acid pool?
a. Alanine
b. Glutamine
c. Leucine
d. No one amino acid predominates
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