Which is true about Type-2 muscle fibres?: (A) Increased myoglobin, (B) It is slower, oxidative and red, (C) Increased Isoenzyme ATPase activity, (D) Glycolytic capacity moderate
Answer is C. Type II muscle fibres are seen in fast muscles. My globin content is low and hence called white muscles. It has increased isoenzyme activity(REF: TEXTBOOK OF MEDICAL PHYSIOLOGY GEETHA N 2 EDITION, PAGE NO - 44)