A Protein Chain Folds into Its Stable and Unique Three-Dimensional

question 43

Short Answer

A protein chain folds into its stable and unique three-dimensional structure, or conformation, by making many noncovalent bonds between different parts of the chain.Such noncovalent bonds are also critical for interactions with other proteins and cellular molecules.From the list provided, choose the class or classes of amino acids that are most important for the interactions detailed below.
A.forming ionic bonds with negatively charged DNA
B.forming hydrogen bonds to aid solubility in water
C.binding to another water-soluble protein
D.localizing an "integral membrane" protein that spans a lipid bilayer
E.tightly packing the hydrophobic interior core of a globular protein
acidic nonpolar
basic uncharged polar

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