This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General physiology, Subject name: Physiology
Which is true about Type-2 muscle fibres? 
Select and explain. 
A. Increased myoglobin, B. It is slower, oxidative and red, C. Increased Isoenzyme ATPase activity, D. Glycolytic capacity moderate
C: Increased Isoenzyme ATPase activity
Answer: C: Increased Isoenzyme ATPase activity 
Explanation: 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)