MCAT Question of the Day
    •

    Q:

    		 Cells often contain transmembrane proteins, such as G-protein receptors and other cell-signaling molecules. The transmembrane portions of these proteins typically contain hydrophobic amino acid residues. Which amino acid may be expected to be found in such a transmembrane portion?
    		 

    A

    		 tyrosine

    B

    		 threonine

    C

    		 isoleucine

    D

    		 asparagine



    Miscellaneous Biochemistry |
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