In the Symbol Below, X Is

question 57

Multiple Choice

In the symbol below, x is .

• A) the isotope number
• B) the mass number
• C) the atomic number
• D) the elemental symbol
• E) the number of neutrons

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Definitions:

Cis-regulatory Element

A region of non-coding DNA that regulates the transcription of nearby genes, playing a crucial role in controlling gene expression.

Olfactory Receptor

A type of protein located in the cell membranes of olfactory neurons, involved in the detection of smell molecules.

Gene Duplication

The process by which a segment of DNA is copied resulting in multiple copies of the same gene, contributing to genetic variation and evolution.

Gene Family

A set of several similar genes, formed by duplication of a single original gene, and generally associated with similar functions.