Consider the following statements each with one or two blanks.
(i) Repeated activation of the muscle can lead to the accumulation of (A) due to anaerobic breakdown of glycogen in them, causing fatigue.
(ii) The globular head of meromyosin is an active ATPase enzyme and has binding sites for (B) active sites for (C) .
This centre part of thick filament, not overlapped by thin filaments is called the (D) .
Which one of the following options correctly fils the concerned blanks ?

Options

A. (A)-glucose, (D)-A-band
B. (A)-pyruvic acid, (B)-troponin, (C)-myosin
C. (B)-ATP, (C)-actin, (D)-H-zone
D. (A)-lactic acid, (D)-I-band

Answer

C

Explanation

A-lactic acid, B-ATP, C-actin, D-H zone