Which of the Following Is INCORRECT About Myofilaments

question 46

Multiple Choice

Which of the following is INCORRECT about myofilaments?

• A) Myofilaments are composed of the proteins actin and myosin.
• B) Thick myofilaments are composed of myosin.
• C) Actin and myosin decrease in length during muscle contraction.
• D) Thin myofilaments are composed of actin.
• E) Myofilaments change position during muscle contraction.

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