Amino Acid Metabolism - Incomplete Flashcards
1
Q
essential vs non-essential amino acids
A
essential: we cannot synthesise in the body and must be obtained from the diet
non-essential: can be synthesised from endogenous materials in the body
2
Q
how many standard amino acids are there
A
20
3
Q
why is arginine an exception within essential amino acids
A
can be obtained from the diet although majority is synthesised from Urea
4
Q
which three amino acids are positively charged
A
lysine - K
arginine - R
histidine - H
5
Q
which two amino acids are negatively charged
A
aspartic acid - D
glutamic acid - E
6
Q
which 3 amino acids are aromatic
A
phenylalanine - F
tyrosine - Y
tryptophan - W
7
Q
A