Which of the Following $\alpha$ -Amino Acids Contains a Hydroxyl Group?
A) Asparagine
B) Threonine

question 22

Multiple Choice

Which of the following $\alpha$ -amino acids contains a hydroxyl group?

• A) asparagine
• B) threonine
• C) cysteine
• D) isoleucine
• E) phenylalanine

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