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 help control how genetic instructions in DNA are converted into proteins, assist in clearing away cellular waste that could otherwise become toxic, and can even play a role in suppressing tumor growth.

From Science Daily

In pure water ice, more than 10 percent of the amino acids, which are the building blocks of proteins, survived the full 50 million year simulation.

From Science Daily

Amyloid and tau are abnormal proteins that accumulate gradually and are considered defining features of Alzheimer's disease.

From Science Daily

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.

From Science Daily