Which One of the Following Substances Is Classified as a Chemical

question 18

Multiple Choice

Which one of the following substances is classified as a chemical compound?

• A) He
• B) S₈
• C) Na
• D) NO
• E) N₂

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Definitions:

Electrophoresis

Electrophoresis is a laboratory technique used to separate DNA, RNA, or protein molecules based on their size and charge by applying an electric field.

DNA Molecules

The fundamental and distinctive characteristics of organisms, encoded in long chains of nucleotides arranged in a double helix.

Cloning

The process of creating genetically identical copies of biological material, including genes, cells, or whole organisms.

Introns

Introns are non-coding sequences within a gene that are removed by RNA splicing during maturation of the final mRNA molecule.