What does tertiary structure refer to?Question 15Select one:a.The three-dimensional form of local segments of proteins.b.The arrangement of more than one protein molecule in a multi-subunit complex.c.The interaction of the side chains of certain amino acids with other (non-amino acid) chemical groups attached by covalent bonding or weak interactions.d.The spatial arrangement of amino acid residues that are far apart.
Question
What does tertiary structure refer to?Question 15Select one:a.The three-dimensional form of local segments of proteins.b.The arrangement of more than one protein molecule in a multi-subunit complex.c.The interaction of the side chains of certain amino acids with other (non-amino acid) chemical groups attached by covalent bonding or weak interactions.d.The spatial arrangement of amino acid residues that are far apart.
Solution
The tertiary structure of a protein refers to its three-dimensional shape. This structure is primarily due to interactions between the side chains of the amino acids that make up the protein. These interactions can involve ionic bonds, hydrogen bonds, and more complex interactions like hydrophobic packing. Therefore, the correct answer is:
c. The interaction of the side chains of certain amino acids with other (non-amino acid) chemical groups attached by covalent bonding or weak interactions.
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