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biosystems
amino acids
26
Anatomy
Undergraduate 3
10/06/2011

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Term
essential amino acids
Definition
10 amino acids that body can't synthesize
Term
amino acids can form
Definition
proteins, peptide hormones, neurotransmitters, and nucleic acids
Term
peptide bonds
Definition
join proteins and peptides which are polymers of A.A.
Term
peptides
Definition
chains of 50 A.A. or fewer
Term
proteins
Definition
chains of greater than 50 A.A.
Term
glycine
Definition
-nonpolar, neutral
-gly, g
Term
alanine
Definition
-nonpolar, neutral
-ala, a
Term
valine
Definition
-nonpolar, neutral
-essential
-val, v
Term
methionine
Definition
-nonpolar, neutral
-essential
-met, m
-contains sulfur
Term
leucine
Definition
-nonpolar, neutral
-essential
-leu, l
Term
isoleucine
Definition
-nonpolar, neutral
-ile, i
Term
serine
Definition
-polar, uncharge
-ser, s
-contains OH
Term
threonine
Definition
-polar, uncharged
-essential
-thr, t
-contains OH
Term
cysteine
Definition
-polar, uncharge
-forms disulfide bonds
-cys, c
Term
praline
Definition
-slightly polar, uncharged
-contains N
-pro, p
Term
asparagine
Definition
-polar, uncharged
-carboxamide
-asn, n
Term
glutamine
Definition
-polar, uncharged
-carboxamide
gln, q
Term
aspartic acid
Definition
-polar, neg charged r group
-asp, d
Term
glutamic acid
Definition
-polar, neg charged r group
-glu, e
Term
lysine
Definition
-polar, pos charged r group
-essential
-lys, k
-NH3 +
Term
arginine
Definition
-polar, pos charged r group
-essential
-guanidium group
-arg, r
Term
histidine
Definition
-polar, pos charged r group
-essential
-NH+
-his, h
Term
phenylalanine
Definition
-non polar, aromatic
-essential
-phe, f
Term
tyrosine
Definition
-nonpolar, aromatic
-essential
-tyr, y
Term
tryptophan
Definition
-nonpolar, aromatic
-essential
-trp, w
Term
isoelectric point
Definition
pH at which a species is electrical neutral
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