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- Dehydration reaction, H2O removed
- Carboxyl C of one amino acid covalently bonds to the amino N of a second.
Carboxyl loses O and amino loses H2
End of amino acid containing amino group.
End of amino acid containing carboxyl group.
Polypeptide that has obtained a stable, unique, 3-D shape and is biologically active as a result.
Consists of a single polypeptide chain.
Consist of 2 or more polypeptide chains. Called polypeptide subunits.
Protein composed of 2 polypeptides.
Protein composed of 3 polypeptides.
Protein composed of 4 polypeptides.
Hemoglobin: 2 alpha and 2 beta