Answer to Question 1
D
Feedback:
A protein's shape determines its function. The quality of the protein, the amino acid content, and the completeness of the protein do not determine the function of the protein in the body.
Answer to Question 2
D
Feedback:
The nutrient that athletes most need to increase in their diet is calories. To bulk up, athletes need exercise, enough calories, and adequate protein. Protein is not used for fuel by the body just because it is consistently ingested, there are inadequate stores of iron present, or the RDA for B vitamins has not been met.