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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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

If COMs were embedded in their building materials from the start, then these worlds may also contain the molecular ingredients needed for prebiotic chemistry, including the formation of amino acids and nucleotides.

From Science Daily

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

From BBC

Those amino acids are linked together in a defined order to build proteins, the molecules that carry out most of life's essential tasks.

From Science Daily

Their focus was on reducing two specific amino acids in food: methionine and cysteine.

From Science Daily

However, the body makes its own collagen from the amino acids found in dietary protein and so protein from sources such as beans and lentils can provide the amino acids needed for collagen production.

From BBC