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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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The researchers found that three proteins, TAK1, TAB2 and PKA-Cα, work together as a signaling hub inside this cellular antenna.

From Science Daily Sep. 15, 2026

Future studies will also investigate how vascular health, inflammation, Alzheimer's related proteins, and other biological factors interact with changes in gray and white matter.

From Science Daily Sep. 14, 2026

The microorganisms transform them into new food components, including proteins, fats, and acids.

From Science Daily Sep. 13, 2026

Instead of switching on genes that produce DNA repair proteins, the cells increased the activity of genes that promote cell death.

From Science Daily Sep. 12, 2026

“And, yes, manipulating those proteins is the key to my research.”

From "The Smartest Kid in the Universe" by Chris Grabenstein

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