MCQ
Select the correct statement with reference to muscle structure
$I.$ Each myosin is a polymerized protein
$II.$ Many meromyosin constitutes one thick filament (myosin)
$III.$ Each meromyosin's tail is called heavy meromyosin $(HMM)$ and head is called light meromyosin $(LMM)$
$IV.$ The globular head is an active $ATP$ ase enzyme and has binding sites for $ATP$ and active sites for actin
Choose the option with correct statements
- AAll except $I$
- ✓All except $IV$
- CAll except $III$
- DAll except $ II$