The Coiling and Folding of a Polypeptide Chain into a More

question 63

Multiple Choice

The coiling and folding of a polypeptide chain into a more circular molecule is the ______ structure of a protein.

• A)primary
• B)secondary
• C)tertiary
• D)quaternary

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Definitions:

Sulcus

A groove or furrow on the surface of an organ, often referring to the brain, indicating a division between lobes or gyri.

Cerebral Hemispheres

The two halves of the brain that are divided by the median longitudinal fissure, responsible for most brain functions.

Gyri

The raised folds or convolutions on the surface of the brain, which increase its surface area.

Cerebral Hemispheres

The two halves of the brain in vertebrates, responsible for integrating motor, sensory, and cognitive performances.