Hemoglobin

Oxygen carrier protein in our red blood cells.

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Peptide bond

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Asparagine

One of the twenty protein-building amino acids.

Ethyl acetate (C₄H₈O₂)

One of the most important esters, produced by the reaction of ethanol and acetic acid.

Glycerol (propane-1,2,3-triol) (C₃H₈O₃)

A triol that is often used as an ingredient of creams and ointments.

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