Question

Consider the given statements.
(a) The globular head of myosin acts as an ATPase enzyme.
(b) The G-actin polymerises to form F-actin in the presence of calcium ions.
(c) Troponin masks the active binding sites for myosin on actin filament.
Which of the above statements are true?

• A. (a) and (c) only
• B. (a), (b) and (c)
• C. (a) and (b) only
• D. (b) and (c) only

Answer 1

The correct option is A (a) and (c) only

Answer (3)
The G - actin polymerises to form an insoluble double helical filament called the F-actin in the presence of magnesium ions.