MCAT Question of the Day
    •

    Q:

    		 Low concentrations of guanidinium hydrochloride, a strong denaturant, have been shown to convert prions (infectious, misfolded proteins with beta sheets) to non-prions (normal folding with alpha helices). Such a change involves a shift in:
    		 

    A

    		 amino acid sequence on the protein.

    B

    		 hydrogen bond arrangement of the peptide backbone.

    C

    		 both ionic and hydrogen bond arrangement of the amino acid R-groups.

    D

    		 sequence of the corresponding mRNA.



    Protein Structure and Function |
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