What type of filaments do sarcomeres contain?
1 Answer
Feb 11, 2018
- Actin filament or thin filament
- Myosin filament or thick filament.
Explanation:
Ultrastructure of sarcomere contains two types of myofilaments i.e actin(thin) & myosin(thick) filaments.
- Thin Filament :
Thin filament is#7-8nm"# in diameter. Thin filament extends the entire length of#"I-band"# . It is composed of three proteins that are:
- Thick Filament:
Thick filament is located at the centre of the sarcomere. It is about#16nm# in diameter and it's mainly composed of myosin protein. The thick filament extends the entire length of#"A-band"# .
Hope it helps!