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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

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"Eggs contain all nine essential amino acids that the body needs," she said, noting that pulses - while also nutritious - contain more fibre and a higher share of non-essential amino acids.

From BBC Jul. 4, 2026

Researchers have considered alternative amino acids, alternative solvents, and even entirely different chemical structures.

From Science Daily Jun. 24, 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

To better understand their nutritional state, the researchers measured amino acids circulating in the blood.

From Science Daily Jun. 1, 2026

In addition, we know that montmorillonite clays are a potent catalyst for combining amino acids into longer chain molecules resembling proteins.

From "Cosmos" by Carl Sagan

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