The native structure of a protein has different types of interactions. These interactions include ionic and dipole-dipole interactions, including H-bonding. These are all disrupted by heating the temperature of the system due to the increase in kinetic energy of the molecules.
Extreme temperatures can be used to break the hydrogen bonds with a protein molecule. Which of the following levels of protein structure will be preserved even when these bonds are broken?
A. The sequence of amino acids within a polypeptide.
B. Helical folds within a polypeptide.
C. Pleated folds within a polypeptide.
D. Bonding of multiple polypeptide chains together.
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