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السؤال 69

Inside a contracting muscle fibre, which pair of filaments interacts by sliding to generate force?

  1. Calcium and phosphate
  2. Collagen and keratin
  3. Actin and myosinالإجابة الصحيحة
  4. Oxygen and nitrogen

الشرح

Actin and myosin form interacting filament systems whose relative sliding produces contractile force. The filaments do not vanish during contraction, and neither protein is a mineral component of bone.

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السؤال 69: Inside a contracting muscle fibre, which pair of filaments… · Human Body Systems · Questena