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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

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More research will be needed to determine precisely how these proteins influence insulin production and the progression of diabetes.

From Science Daily Jul. 28, 2026

The work suggests that strengthening the cellular machinery responsible for folding proteins could help protect these cells from damage.

From Science Daily Jul. 28, 2026

This has led scientists to focus more closely on how brain cells react to these abnormal proteins, rather than simply measuring how much pathology is present.

From Science Daily Jul. 26, 2026

Rather than manually extracting proteins and peptides from tissues and then using methods such as mass spectrometry to identify huge numbers of molecules, the researchers created a computer algorithm called Peptide Predictor.

From Science Daily Jul. 24, 2026

Built into every genome, then, are the codes for proteins that will allow that genome to reproduce.

From "The Gene" by Siddhartha Mukherjee

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