MCAT Question of the Day
    •

    Q:

    Polyglycine is a polypeptide composed of a string of glycine residues. It is a model polypeptide for many of its properties since glycine is the simplest amino acid. Compared to polyarginine composed of 20 residues, one can expect polyglycine composed of 20 residues to
    		 

    A

    		 have a wider range of torsional angles due to decreased steric hindrance

    B

    		 have a higher effective pKa

    C

    		 form a more basic solution

    D

    		 have a higher molecular weight



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