Please give me the answer to the A-level Biology Question What are two protein filaments that interact in the sarcomere to cause muscular contraction?

Please give me the answer to the A-level Biology Question What are two protein filaments that interact in the sarcomere to cause muscular contraction?

A-level Biology Help >>>>> What are two proteins filaments which interact in the sarcomere , causing muscle contraction? Myosin and actin filaments. Myosin heads are affixed to actin filaments, while the hydrolysis ATP triggers them to change in shape and move the actin filaments horizontally.
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