Which of the following statements is an accurate description of proteins? which of the following statements is an accurate description of proteins?
a. the primary structure of a protein is the order of amino acids in a polypeptide, as coded for in the dna of a gene.
b. the 20 amino acids found in proteins differ in the composition of their r groups, which may be either polar or charged.
c. secondary structures, which include the alpha helix or beta pleated sheet, are held together by interactions between r groups.
d. tertiary structure is the overall shape of a polypeptide, which may be stabilized by hydrophobic interactions, hydrogen bonds, ionic bonds, and peptide bonds.
e. quaternary structure is only found in proteins that have four identical polypeptide subunits.
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Which of the following statements is an accurate description of proteins? which of the following st...
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