Questions: The purpose of an enzyme is to

The purpose of an enzyme is to
Transcript text: The purpose of an enzyme is to
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Solution

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Solution Steps

Step 1: Analyze the effect of acidosis on the salt bridge

The salt bridge in the given protein is formed between the negatively charged carboxylate group (COO-) and the positively charged amine group (NH3+). During acidosis, the concentration of H3O+ ions increases. These H3O+ ions will protonate the carboxylate group, forming a neutral carboxylic acid (COOH). This breaks the salt bridge.

Step 2: Identify the correct product structure

The carboxylate group (COO-) accepts a proton (H+) from the H3O+ in the acidic environment to become a carboxylic acid group (COOH). The amino group (NH3+) remains unchanged as it is already protonated.

Step 3: Choose the correct option

The third option from the top shows the correct products: a neutral carboxylic acid (COOH) and an unchanged positively charged amine group (NH3+).

Final Answer: The third option from the top is the correct answer. It shows the protonation of the carboxylate group, breaking the salt bridge.

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