peptide

peptide

Petite chaîne d’acides aminés, les substances qui constituent aussi les protéines.

En anglais simple : A small chain of amino acids, the chemical building blocks that also make up proteins.

• This peptide contains five amino acids.
• The researchers made a new peptide in the laboratory.
• Some peptides act as signals between cells.

Expressions courantes : peptide chain, synthetic peptide, peptide hormone

peptides

Médicaments contenant des chaînes d’acides aminés, pris pour tenter d’améliorer les performances physiques ou le développement musculaire.

En anglais simple : Drugs containing amino acid chains, taken to try to improve physical performance or muscle growth.

• The athlete admitted using peptides.
• Some gyms sell peptides for muscle growth.
• Officials tested the sample for banned peptides.

Expressions courantes : banned peptide, peptide injections, take a peptide

liaison peptidique

Liaison chimique qui relie un acide aminé à un autre.

En anglais simple : The chemical link that joins one amino acid to another.

• The diagram labels this chemical link as a peptide.
• Each peptide connects two amino acids.
• Water breaks the peptide during this reaction.

Synonymes : peptide bond

Expressions courantes : peptide linkage, peptide bond