Examlex
Now that Denise is pregnant,she needs to increase her daily vitamin intake.The intake of which of the following vitamins should be increased the most?
Promoter
A region of DNA that initiates transcription of a particular gene, typically located near the transcription start sites of genes.
Inducer
A molecule that binds to a repressor protein, converting it to its inactive form, which is unable to prevent transcription.
Lactose
A disaccharide sugar found in milk and dairy products, which is broken down into glucose and galactose by the enzyme lactase.
Lac Operon
A set of genes and their control sequences that are responsible for the metabolism of lactose in bacteria.
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