Which of the following statements correctly describes the structural composition of myoglobin?

• A. Myoglobin is a dimeric protein with two identical subunits.
• B. Myoglobin is a monomeric protein with one subunit.
• C. Myoglobin is an allosteric protein with multiple subunits.
• D. Myoglobin is a heterotetrameric protein with four subunits.

Answer: (B)