When amino acids are degraded for energy, their amine groups are stripped off and used elsewhere or incorporated by the liver into:
a. urea.
b. glucose.
c. glycogen.
d. bile.
e. urine.
Question 2
Proteins attract water and hold it within blood vessels, preventing it from freely flowing into the spaces between the cells. This is an example of how protein is used for:
a. building enzymes, hormones, and other compounds.
b. supporting growth and maintenance.
c. maintaining fluid and electrolyte balance.
d. maintaining pH balance.
e. building antibodies.