Examlex
Which of the following fibers stimulate the growth of bifidobacteria and thus are considered prebiotics?
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.
Repressor
A protein that binds to specific DNA sequences, preventing or reducing the transcription of certain genes.
Allosteric Site
A region on an enzyme that is distinct from the active site and can bind regulatory molecules to change the enzyme's activity.
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