If the basic formula of an α-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:C
If the basic formula of an α-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