A Structural Protein That Is Associated with Thin Filaments and Serves

question 19

Multiple Choice

A structural protein that is associated with thin filaments and serves to anchor the thin filament to the Z-disc is called

• A)nebulin.
• B)titin.
• C)myomesin.
• D)dystrophin.
• E)tropomyosin.

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Definitions:

Dihedral Angle

The angle between two planes defined by four atoms, often used to describe the orientation of parts of a molecule relative to each other.

Steric Strain

A form of strain in molecules resulting from repulsive interactions when atoms are forced too close to one another, influencing molecule stability and reactivity.

Torsion Strain

Internal strain in a molecule caused by the electron cloud repulsions when bonds are twisted away from their preferred angles.

Carbon-Carbon Bond

A chemical bond between two carbon atoms, which can vary in nature from single to triple bonds.