Describe protein digestion, absorption, and metabolism. (7) Flashcards
1
Q
how is protein digested in the stomach?
A
acid unfolds protein
enzymes cut strands
2
Q
how is protein digested in the small intestine
A
acid neutralized
enzymes from pancreas and intestinal wall
3
Q
what are the fates of amino acids?
A
build a protein
transfer NH2 to form new, amino acids
when calories are too low, they’re used for fuel
4
Q
when are amino acids used for energy?
A
when there is insufficient energy
5
Q
what does an excess of amino acids inhibit?
A
absorption of others
6
Q
what protein quality wastes protein?
A
low quality protein
7
Q
what is excess protein used for?
A
used for energy
stored as fat
8
Q
is protein stored?
A
no
