U3 AOS 1: Gene Regulation

Front

Gene regulation

Back

The process of turning genes on and off to ensure that the appropriate genes are expressed at the proper times.

Front

Structural gene

Back

A gene that codes for any RNA or protein product other than a regulatory factor.

Front

Regulatory gene

Back

A gene involved in controlling the expression of one or more other genes.

Front

Repressor proteins

Back

Proteins that suppress the expression of a gene.

Front

Activator proteins

Back

Proteins that increase the transcription of a gene.

Front

Operon

Back

A functioning unit of genomic DNA containing a cluster of genes under the control of a single promoter.

Front

Operator

Back

A segment of DNA to which a transcription factor binds to regulate gene expression.

Front

Trp operon

Back

A group of genes that are used, or transcribed, together that codes for the components for production of tryptophan.

Front

Repression

Back

The process by which a regulatory gene acts to reduce or prevent gene expression.

Front

Tryptophan

Back

An essential amino acid that is used in the biosynthesis of proteins.