Assertion (A): Lysozyme is an antibacterial enzyme. Reason (R): The enzyme lysozyme kills bacteria by hydrolysing the (β1 → 4) glycosidic bond between N-acetylglucosamine and N-acetylmuramic acid.

Directions: In the following question, there are two statements: Assertion (A) and Reason (R). Consider both the statements independently and mark your answer as  

1. if A and R both are correct and R is correct explanation of A 
2. if A and R both are correct and R is not correct explanation of A 
3. if A is correct and R is incorrect 
4. if A is incorrect and R is correct 
5. if A and R both are incorrect