Match Each Term with the Appropriate Definition

question 59

Multiple Choice

Match each term with the appropriate definition.
-vitamins​

• A)components of food required by the body in small amounts for growth and health maintenance
• B)nutrient that can be converted into another nutrient
• C)chemical substances,including many vitamins,that activate specific enzymes
• D)chemical substances that prevent or repair damage to cells caused by exposure to free radicals
• E)primarily stored in body fat and the liver
• F)can be stored in the body only in small amounts
• G)low-grade inflammation that lasts weeks,months,or years
• H)chemical substances that are missing an electron

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Definitions:

Inducible Operon

A cluster of genes in bacteria that is turned on (or induced) in response to the presence of a specific substrate, allowing the bacteria to adapt to environmental changes.

Repressible Operon

A regulatory mechanism in genetics where the presence of a certain substance inhibits gene transcription, typically found in prokaryotic organisms.

Lactose Operon

A cluster of genes in bacteria that encodes enzymes responsible for the metabolism of lactose, regulated by the availability of this sugar.

Tryptophan Operon

A group of genes that are regulated together, involved in the biosynthesis of the amino acid tryptophan in bacteria.