There Are 20 Different Amino Acids

question 101

Multiple Choice

There are 20 different amino acids. What makes one amino acid different from another?

• A)different carboxyl groups attached to an alpha (α)carbon
• B)different amino groups attached to an alpha (α)carbon
• C)different side chains (R groups)attached to an alpha (α)carbon
• D)different alpha (α)carbons
• E)different asymmetric carbons

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Microorganisms

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Discomfort or irritation around the anus often caused by infection, skin conditions, or hemorrhoids.

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