Which of the Following Changes in a DNA Molecule May

question 46

Multiple Choice

Which of the following changes in a DNA molecule may have no effect on the protein for which the DNA codes?

• A)a deletion mutation
• B)formation of a thymine dimer
• C)changing the first base in a triplet
• D)changing the second base in a triplet
• E)changing the third base in a triplet

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Definitions:

Cellulose

A structural polysaccharide consisting of beta glucose subunits; the main constituent of plant primary cell walls.

Starch

A polysaccharide composed of alpha glucose subunits; made by plants for energy storage.

Glycogen

A multi-branched polysaccharide of glucose that serves as a form of energy storage in humans, animals, fungi, and bacteria.

Cellulose

Cellulose is a complex carbohydrate composed of glucose units, forming the primary structural component of plant cell walls and providing plants with support.