According to the Sliding-Filament Model of Muscle Contraction,a Sarcomere Contracts

question 33

Multiple Choice

According to the sliding-filament model of muscle contraction,a sarcomere contracts when its ______.

• A) thick filaments slide across the ends of the sarcomere
• B) thin filaments slide across the ends of the sarcomere
• C) thick filaments slide toward each other across its thin filaments
• D) thin filaments slide past its thick filaments