Multiple Choice
What might be concluded upon determining that an unknown amino acid has its isoelectric point near pH 3?
A) It must have a hydrophobic side chain.
B) It must have a hydrophilic side chain.
C) Its side chain must contain a basic group.
D) Its side chain must contain more acidic groups then basic groups.
E) None of these choices is a valid conclusion.
Correct Answer:

Verified
Correct Answer:
Verified
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