Which of These Actions Happens During Contraction of Skeletal Muscle

question 95

Multiple Choice

Which of these actions happens during contraction of skeletal muscle fibres

• A)Contractile proteins contract.
• B)Thin filaments slide inward toward A bands' centres as a result of cycles of cross-bridge binding and bending.
• C)Thick and thin filaments become tightly coiled, thus shortening the sarcomere.
• D)I bands slide between A bands.