Biology help please! 6. The three-dimensional structure of a functional protein

Question

Biology help please!

6. The three-dimensional structure of a functional protein composed of a single polypeptide chain is referred to as the structure quaternary O primary secondary tertiary 7. True or False: the individual polypeptide chains in a multi-subunit protein each have their own primary, secondary, and tertiary structure O True False 8. Secondary structure is characterized by which one of the following types of interactions? O Ionic bonding between an acidic side chain and a basic side chain A covalent bond between two cysteines Hydrogen bonding between side chains of amino acids The bond between an amino nitrogen and a carboxyl carbon Hydrogen bonding within the peptide backbone 9. Which one of the following can contribute to a protein's tertiary structure? Ionic bonding Covalent bonding van der Waal's forces Hydrogen bonding All of these choices are correct. 10. The unfolding of a protein by heat or chemical treatment is referred to as: disaggregation uncoupling depolymerization hydrolysis denaturation

Explanation / Answer

6. Tertiary strucutre

7. True

8. Hydrogen bond within the peptide backbone

9. All of these choices are correct

10. Denaturation

11. Chaperones

12. Secondary

13. Tertiary

14. Primary

15. No. Whereas the noncovalent bonds determine the shape of a protein, the peptide bonds are required to hold the amino acids together

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