Matching -In the Tripeptide Lys─Pro─Ile,there Are ______ Charged Groups at PH

Matching

-In the tripeptide Lys─Pro─Ile,there are ______ charged groups at pH 7.

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