proteins

Cultural  

1. Complex organic molecules (see also organic molecule) made up of amino acids. Proteins are basic components of all living cells and are therefore among the principal substances that make up the body. In addition to being necessary for the growth and repair of the body's tissues, proteins provide energy and act as enzymes that control chemical reactions in the cell.

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Foods that contain a high percentage of protein include meat, fish, poultry, milk products, beans, and nuts.

Example Sentences

They analyzed thousands of proteins, lipids, metabolites, and trace elements in both plasma and red blood cells.

From Science Daily

Researchers searched for tissues containing proteins that could serve as targets and suspected that some of these proteins might accumulate with age.

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Unlike living cells, viruses consist only of genetic material and cannot produce proteins on their own.

From Science Daily

The team then examined Heimdallarchaeia more closely, comparing their proteins to those found in eukaryotes that are involved in energy production and oxygen metabolism.

From Science Daily

The channels are built from proteins and contain extremely narrow regions at the angstrom scale.

From Science Daily