Assertion : Enzymes become denatured at high temperature .
Reason : the tertiary structure of proteins gets damaged at high temperature .

Options

A. If both assertion and Reason are true and the Reason is the correct explanation of the assertion .
B. If both Assertion and Reason ate true , but the reason is
not the correct explanation of the assertion .
C. If Assertion is true , but Reason is false
D. if both Assertion and Reason are false.

Answer

**Step-by-Step Solution:**

1. **Understanding the Assertion:**
- The assertion states that "enzymes become denatured at high temperature."
- Denaturation refers to the process where an enzyme loses its functional shape, which is crucial for its activity.

2. **Understanding the Reason:**
- The reason provided is that "the tertiary structure of proteins gets damaged at high temperature."
- Proteins, including enzymes, have a specific three-dimensional structure (tertiary structure) that is essential for their function. High temperatures can disrupt the interactions that maintain this structure.

3. **Explaining the Relationship:**
- Enzymes operate optimally within a specific temperature range.
- As temperature increases, enzyme activity initially increases until it reaches an optimum point. Beyond this point, the activity declines sharply as the enzyme denatures.
- The denaturation occurs because the high temperature disrupts the weak bonds (like hydrogen bonds and ionic bonds) that hold the tertiary structure together.

4. **Conclusion:**
- Both the assertion and reason are true. The assertion correctly states that enzymes denature at high temperatures, and the reason accurately explains that this denaturation is due to damage to the tertiary structure of the proteins.

5. **Final Answer:**
- The correct answer is (A) if both assertion and reason are true and the reason is the correct explanation of the assertion.

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