To What Structural Feature Does the Term "Quaternary Structure" Refer

question 20

Multiple Choice

To what structural feature does the term "quaternary structure" refer?

• A) the sequence of amino acids in proteins
• B) the overall folding pattern of proteins
• C) the aggregation of polypeptides
• D) the conformation of local regions of polypeptides

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Definitions:

Pigments

Substances that impart color to other materials and are responsible for the colors seen in the natural world.

Color Vision

Ability of the eye to detect specific wavelengths of light; involves specialized cone cells that detect blue, green, and red wavelengths.

Cones

Photoreceptor cells in the retina of the eye responsible for color vision and visual acuity under bright light conditions.

Fovea Centralis

Region of the retina consisting of densely packed cones; responsible for the greatest visual acuity.