repressor

[riˈpresər]

repressor Definition

a substance or protein that inhibits the expression of one or more genes.

Using repressor: Examples

Take a moment to familiarize yourself with how "repressor" can be used in various situations through the following examples!

  • Example

    The repressor binds to the operator, preventing RNA polymerase from transcribing the gene.

  • Example

    The lac repressor is a protein that regulates the expression of genes in the lac operon.

  • Example

    The trp repressor is a protein that regulates the expression of genes in the trp operon.

repressor Synonyms and Antonyms

Synonyms for repressor

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Summary: repressor in Brief

A 'repressor' [riˈpresər] is a substance or protein that inhibits the expression of one or more genes. It binds to the operator and prevents RNA polymerase from transcribing the gene. Examples include the lac repressor and the trp repressor, which regulate the expression of genes in the lac and trp operons.