Matching
-At a pH below its pKa,the -amino group of lysine is ______.
A) glutamate
B) uncharged
C) deprotonated
D) three
E) amino group
F) two
G) C-terminus
H) lysine
I) racemic mixture
J) cysteine
K) zero
L) protonated
M) isoleucine
N) tryptophan
O) phenylalanine
P) N-terminus
Correct Answer:
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Q11: Matching
-At a pH below its pKa,the
Q12: Zwitterions are
A)amino acids.
B)ionic molecules that are racemic.
C)ions
Q13: Matching
-When a peptide bond is formed,an _
Q14: Matching
-In the peptide Trp─Ser─Val,valine is at the
Q15: Matching
-At a pH above its pKa,the phenol
Q17: What percentage of the 20 amino acids
Q18: Matching
-In the tripeptide Trp─Val─Phe,the N-terminal residue is
Q19: In the early 1930's William Rose fed
Q20: Matching
-The net charge of the zwitterion form
Q21: The pK1,pK2,and pKR for the amino
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