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A polypeptide chain has a large percentage of acidic and basic amino acids in it. The R groups of these amino acids form ionic interactions, which helps the protein to maintain it's structure. This particular polypeptide works well under an optimum pH of 7. Ignoring effects of strong acids and bases on peptide bonds, what will happen to the tertiary structure of the protein if you move it stomach acid, which has a pH of 1-2. Why?

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pleasantpearl

Answer: The tertiary structure will be destroyed

Explanation:

when the above mentioned polypeptide is placed in the stomach, which has a low pH, the structure and stability of the protein changes. decreasing the pH by adding an acid

Causes the ionic attraction to disappear, and the protein shape unfolds. denaturation of protein occurs. Denaturation of proteins involves the disruption and possible destruction of both the secondary and tertiary structures. Therefore the tertiary structure of protein is destroyed

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