Examlex
The reference model described in ISO Standard 7498 breaks network communication into seven layers. List each layer from top to bottom.
Enzymes
Proteins that act as biological catalysts to speed up chemical reactions in cells.
−COOH Group
A functional group characteristic of carboxylic acids, consisting of a carbon atom double-bonded to an oxygen atom and single-bonded to a hydroxyl group.
Amino Acids
Organic compounds that combine to form proteins and are used by the body for various functions including tissue repair and the synthesis of neurotransmitters.
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