What type of protein is myosin?
Correct answer: D. Fibrous
- A. Intermediate
- B. Simple
- C. Globular
- D. Fibrous
Explanation
Myosin is a type of fibrous protein. It plays a crucial role in muscle contraction by interacting with actin filaments. Fibrous proteins are characterized by long strands or sheets, which make them well-suited for structural roles in the body. The other options are incorrect because:Intermediate: This is not a standard category for proteins based on structure.Simple: Simple proteins consist only of amino acids, whereas myosin is complex. Globular: These proteins are spherical and soluble, which does not describe myosin's function and structure.
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The chapter covers water's polarity and biological roles, carbohydrates, lipids, proteins and nucleic acids, including their monomers, bonds, structures and functions. It also distinguishes RNA from DNA and explains conjugated molecules such as glycoproteins, glycolipids and nucleoproteins, which combine organic molecules with a non-protein component.
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