What Is a Point Mutation

question 2

Multiple Choice

What is a point mutation?

• A) Mutation of the stop codon
• B) Replacement of one nucleotide in the normal gene with a different nucleotide
• C) Addition of one nucleotide in the normal gene
• D) Deletion of one nucleotide in the normal gene

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Definitions:

Assimilation

The process of absorbing and integrating new information into existing knowledge.

Denitrifying Bacteria

Microorganisms that convert nitrates in the soil to nitrogen gas, playing a vital role in the nitrogen cycle.

Atmospheric Nitrogen

A component of the Earth's atmosphere, making up about 78% by volume, primarily in the form of nitrogen gas (N2).

Organic Nitrogen Compounds

Chemical compounds that contain carbon and nitrogen, playing various roles in the metabolism of living organisms.