

MCQOPTIONS
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1. |
If the basic formula of an -amino acid is R-CH(NH2)-COOH, where R is the side chain, what is the primary point of distinction between any two proteins? |
A. | Number of amino groups |
B. | Number of carboxyl groups |
C. | The side chain R |
D. | Relative positions of amino, carboxyl groups and R |
Answer» D. Relative positions of amino, carboxyl groups and R | |