Amino acids are wasted (not used to build protein or nitrogen-containing compounds) in the body whenever there is:
a. inadequate dietary sodium or potassium.
b. too much energy from dietary carbohydrate and fat.
c. too great a variety of amino acids supplied by the diet.
d. too much dietary protein.
e. adequate high-quality protein in the diet.
Question 2
If amino acids are oversupplied:
a. muscle tissue formation is accelerated.
b. the body converts amino acid residues to extra blood proteins.
c. they are filtered from the blood and excreted by the kidneys.
d. the body removes and excretes their amine groups.
e. the body stores them until they are needed.
Body plan of a crustacean, as represented by a shrimp
The nitrogen cycle. The five main parts of the nitrogen cycle are:
Nitrogen fluxes in Sycamore Creek, Arizona (data from Grimm 1988).
Primary pulse points of the body.
Pathways of nitrogen metabolism (purple) in the general pattern of intermediary metabolism
Structure of a Sterol Rather than being made from fatty acids