Showing results for "amino acids"

• plural of amino acid.

amino acids

Cultural  

1. Basic organic molecules (see also organic molecule) that combine to form proteins. Amino acids are made up of hydrogen, carbon, oxygen, and nitrogen. Some examples of amino acids are lysine, phenylalanine, and tryptophan.

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Amino acids are the basic molecular building blocks of proteins.

Example Sentences

Phenylalanine and tyrosine are two amino acids that help regulate metabolism and brain activity.

From Science Daily • Jun. 15, 2026

“You build on the brain’s natural ability to bring in important things, like iron or amino acids, and catch a ride,” he says.

From Barron's • Jun. 3, 2026

Peptides—short chains of amino acids marketed for recovery, muscle growth and antiaging—have become popular among U.S. wellness figures including Robert F. Kennedy Jr. and Joe Rogan, despite limited evidence for many of their claimed benefits.

From The Wall Street Journal • May 29, 2026

Experiments in mice showed that animals deprived of protein developed a strong preference for essential amino acids, similar to the behavior seen in fruit flies.

From Science Daily • May 28, 2026

Life is certainly more than the amino acids that make up its proteins and the nucleotides that make up its nucleic acids.

From "Cosmos" by Carl Sagan