Which of the Following Components Is NOT Essential for DNA

question 32

Multiple Choice

Which of the following components is NOT essential for DNA cloning?

• A) plasmids
• B) ligases
• C) helicases
• D) DNA fragments
• E) restriction enzymes

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Definitions:

Guanosine

A nucleoside comprising guanine attached to a ribose (sugar) ring via a β-N9-glycosidic bond.

Stereochemistry

The study of the spatial arrangement of atoms in molecules and its influence on the chemical properties and reactions of those molecules.

Anomeric Carbons

The carbon atom in a cyclic carbohydrate that is connected to two oxygen atoms and can exist in two different configurations, alpha or beta.

Deoxythymidine

A nucleoside component of DNA, composed of the base thymine attached to a deoxyribose sugar.