Which outcome occurs when a protein's tertiary structure unfolds due to excessive heat disrupting hydrogen bonds?

💡 Explanation

When excessive heat disrupts hydrogen bonds, the protein's tertiary structure unfolds via denaturation because increased kinetic energy overcomes the weak non-covalent interactions, leading to a change in shape affecting its active site. Therefore enzymatic function is lost, rather than increased activity or affinity which require maintenance of proper folding and active site geometry.

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