Examlex
The eruption of a volcano can cause global climate changes by causing stratospheric ozone reduction,allowing increased ultraviolet light to reach the Earth's surface.
Enhancers
Regulatory DNA sequences that enhance gene transcription; can be located long distances away from the actual coding regions of a gene.
Tryptophan Operon
A cluster of genes in bacteria involved in the production of the amino acid tryptophan, regulated by feedback inhibition.
Repressor Gene
A gene that encodes a protein which can bind to an operator or promoter sequences to prevent transcription of a certain gene.
Promoter
A region of DNA that initiates transcription of a particular gene, playing a crucial role in regulating gene expression.
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