Polypeptides + Energy Flashcards
1
Q
__% of diet is BCAA, __% of muscle is BCAA. When is BCAA a source of energy? What do BCAAs build?
A
50% dietary, 35% muscle
Strenuous exercise
Muscle
2
Q
What are food sources of BCAAs
A
Animal protein, Wheat germ
3
Q
The BCAA Leucine inhibits what? How much per day? How?
A
Muscle breakdown
2.5g/day
Ketogenic (doesn’t become glucose)
Valine + Isoleucine —> heme
4
Q
What is a sign of muscle breakdown?
A
3 methyl Histidine in urine (Maple-syrup urine disease MSUD)
5
Q
Where does Histidine function, what are its food sources
A
High in SkM; animal protein
6
Q
What AA is in Glycoproteins? What can it be converted to?
A
Threonine
Serine or Glycine
