4 public questions tagged with this topic.
Myosin heads form cross-bridges with actin filaments during muscle contraction.
Ref: NCERT Class 11 Biology Chapter 17: Locomotion and Movement Muscle Contraction - Sliding Filament Theory and Regulation
Calcium ions are essential for muscle contraction as they help in cross-bridge formation.
Ref: NCERT Class 11 Biology Chapter 17: Locomotion and Movement Muscle Contraction - Sliding Filament Theory and Regulation
During contraction, actin filaments slide over myosin filaments, not away from them.
Ref: NCERT Class 11 Biology Chapter 17: Locomotion and Movement Muscle Contraction - Sliding Filament Theory and Regulation
ATP is required for cross-bridge formation and subsequent muscle contraction.
Ref: NCERT Class 11 Biology Chapter 17: Locomotion and Movement Muscle Contraction - Sliding Filament Theory and Regulation
