Which of the following statements is incorrect regarding lysozyme present in saliva?

Options

A. It acts as an antibacterial agent.
B. If prevents infections.
C. It acts as an enzyme.
D. All of these

Explanation

To determine which statement is incorrect regarding lysozyme present in saliva, we will analyze each statement one by one.

### Step-by-Step Solution:

1. **Statement Analysis**:
- **Statement 1**: "Lysozyme acts as an antibacterial agent."
- **Analysis**: This statement is correct. Lysozyme is known for its antibacterial properties as it can degrade the cell walls of certain bacteria, leading to their destruction.

2. **Statement 2**: "Lysozyme prevents infection."
- **Analysis**: This statement is also correct. By degrading bacterial cell walls and inhibiting bacterial growth, lysozyme helps in preventing infections in the oral cavity.

3. **Statement 3**: "Lysozyme acts as an enzyme."
- **Analysis**: This statement is incorrect. While lysozyme does have enzymatic activity (it catalyzes the hydrolysis of certain bonds in bacterial cell walls), it is primarily classified as an antibacterial agent rather than a traditional enzyme.

4. **Conclusion**:
- The incorrect statement regarding lysozyme present in saliva is **Statement 3**: "Lysozyme acts as an enzyme."

### Final Answer:
The incorrect statement regarding lysozyme present in saliva is that it acts as an enzyme.

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