What Is a Point Mutation

question 1

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:

Non-REM Stage

A period of sleep that encompasses all sleep stages except REM (Rapid Eye Movement) sleep, characterized by slower brain waves and reduced body activity.

Vivid

Describes something that is producing powerful feelings or strong, clear images in the mind due to being bright, detailed, or exceptional in quality.

Suprachiasmatic Nucleus

A tiny region of the brain in the hypothalamus, responsible for controlling circadian rhythms, essentially functioning as the body's internal clock.

Retina

The multilayered light-sensitive surface in the eye that records electromagnetic energy and converts it to neural impulses for processing in the brain.