What Are the Three Components of a DNA Nucleotide

question 16

Multiple Choice

What are the three components of a DNA nucleotide?

• A)A sugar, a phosphate and a base
• B)A sugar, a base, and a polypeptide
• C)A sugar, a phosphate, and a peptide
• D)A phosphate, a base, and a polypeptide

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Definitions:

Constriction

The act or process of drawing together or becoming narrower; it can apply to physical objects, bodily processes, or even psychological states.

Accommodation

In psychology, the process of adjusting existing cognitive structures in response to new experiences; in vision, the process by which the eye's lens changes shape to focus near or far objects on the retina.

Fovea

The central focal point in the retina, around which the eye’s cones cluster.

Iris

The colored part of the eye surrounding the pupil that controls the amount of light entering the eye by adjusting the size of the pupil.