Multiple Choice
Choose the correct answer from the list below. Not all of the answers will be used.
-____________: The amino acid with a pKa near neutral pH.
A) L amino acids
B) water
C) protons
D) zwitterions
E) leucine
F) serine
G) tyrosine
H) cysteine
I) glutamate
J) histidine
K) proline
L) asparagine
M) D amino acids
Correct Answer:

Verified
Correct Answer:
Verified
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