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Wordabulary

peptide bond

Pronunciation
Noun B2 Upper-intermediate

Quick answer

A chemical bond that links two amino acids together to form part of a protein chain.

"A protein can contain hundreds of amino acids, each connected to the next by a peptide bond."

Usage notes

A peptide bond forms with the loss of a water molecule, making protein formation a condensation reaction.

Test yourself

Which word fits the gap? "A protein can contain hundreds of amino acids, each connected to the next by a _____."

Answer: peptide bond

In your own words, what does "peptide bond" mean?

A chemical bond that links two amino acids together to form part of a protein chain.

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