Myosin Is a Contractile Protein Found in Muscles That Is

question 13

Multiple Choice

Myosin is a contractile protein found in muscles that is composed of three pairs of subunits, two heavy chains, and two pairs of two different types of light chains, for a total of six subunits. Myosin contains what level(s) of protein structure?

• A) primary only
• B) primary and secondary only
• C) primary, secondary, and tertiary only
• D) primary, secondary, tertiary, and quaternary

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