Amino acids are not excreted intact. rather:

the nitrogen-containing amino group is recycled while the remainder of the molecule is excreted in the urine.

the nitrogen-containing amino group is removed and converted to urea, which is excreted in the urine.

the carboxylic acid group is removed, neutralized by the bile, and excreted in the feces.

the side-chain group is removed and excreted while the remainder of the molecule is recycled.

Why are adults bigger than they were as children biology

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi, r^3 , where r is the sphere’s radius.

4. rat liver is able to metabolize glucose by both the glycolytic and the pentose phosphate pathway. which of the following are properties of both the glycolytic and pentose phosphate pathway? a. nad+ is involved b. co2 is liberated c. phosphate esters are intermediates d. glyceraldehyde 3-phosphate is an intermediate e. fructose 6-phosphate is an intermediate4. rat liver is able to metabolize glucose by both the glycolytic and the pentose phosphate pathway. which of the following are properties of both the glycolytic and pentose phosphate pathway? a. nad+ is involved b. co2 is liberated c. phosphate esters are intermediates d. glyceraldehyde 3-phosphate is an intermediate e. fructose 6-phosphate is an intermediate