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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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These reactive oxygen species damage cells through oxidation, stripping electrons from essential components such as lipids, proteins, and DNA.

From Science Daily

Because the imaging was label free, the samples were not treated with dyes, fluorescent proteins or molecular tags.

From Science Daily

Peptides are short chains of amino acids, or small proteins, which our bodies naturally produce.

From BBC

"For example, if at first proteins A and B are separate, adding caffeine brings them together; conversely, if proteins A and B start out together, adding a drug like rapamycin can cause them to dissociate."

From Science Daily

Remarkably, different viruses evolved separate proteins that all block MurJ in the same way, highlighting it as a promising new antibiotic target.

From Science Daily