Which of the Following Pairs of Compounds Form a Nucleoside

question 4

Multiple Choice

Which of the following pairs of compounds form a nucleoside?

• A) A single sugar and a nitrogenous base
• B) A phosphate group and a lipid
• C) A lipid and a starch molecule
• D) A lactose molecule and a phosphate group
• E) An mRNA molecule and a lactose molecule

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Definitions:

Calcium

A chemical element crucial for building bones and teeth, and necessary for the functioning of muscle movement and nerve signaling.

Myelination

The process of forming a myelin sheath around the nerves to increase the speed at which electrical impulses are conducted.

Axons

Long, threadlike part of a nerve cell along which impulses are conducted from the cell body to other cells.

Action Potential

A rapid and temporary electrical signal that travels along the membrane of a neuron, facilitating neurotransmission.