Consider the following statement and determine whether the enzyme described requires a cofactor to be active.
The reaction rate remains constant regardless of the presence or absence of Mg²⁺.

• A. The enzyme described requires a cofactor to be active.
• B. The enzyme described does not require a cofactor to be active.
• C. The enzyme described may or may not require a cofactor to be active.
• D. Insufficient information to make a conclusion

Answer: (B)