What joins amino acids together in a protein?

Answer and explanation

Correct answer: B. Peptide links

  1. Step 1: Amino acids form chains.
  2. Step 2: Peptide (amide) links join one amino acid to the next.
Answer
Peptide links.
Why not the others: Ester links: these join alcohols and acids in fats. Ionic bonds: these join metal and non-metal ions. Hydrogen bonds only: peptide links hold the chain.

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