Biology Practice Problems Proteins Practice Problems Solution: Extreme temperatures can be used to break the hydr...

Solution: 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.

Problem

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.

Solution

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.

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