Examlex
How does a polytene chromosome differ from a typical eukaryotic chromosome?
Catabolite Activator Protein
A protein that binds to DNA and stimulates the transcription of certain genes in bacteria, especially in the presence of specific sugars.
Promoter Region
The promoter region is a sequence of DNA that initiates transcription of a particular gene, essential for gene expression regulation.
RNA Polymerase
An enzyme responsible for synthesizing RNA from a DNA template, playing a crucial role in the process of transcription.
Tryptophan Operon
A cluster of genes in bacteria that is involved in the production of tryptophan, regulated through feedback inhibition.
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