Answer: nucleic acids
What is the one part of an amino acid that makes it different from the others? Carboxyl group Amino group One single hydrogen R group

Threonine (symbol Thr or T) is an amino acid that is used in the biosynthesis of proteins.It contains an α- amino group (which is in the protonated −NH + 3 form under biological conditions) a carboxyl group (which is in the deprotonated −COO − form under biological conditions) and a side chain containing a hydroxyl group making it a polar uncharged amino acid .

In chemistry an ester is a chemical compound derived from an acid (organic or inorganic) in which at least one –OH (hydroxyl) group is replaced by an –O–alkyl group . Usually esters are derived from substitution reaction of a carboxylic acid and an alcohol. Glycerides which are fatty acid esters of glycerol are important esters in biology being one of the main classes of lipids and ...

Threonine - Wikipedia

Pyridine is a basic heterocyclic organic compound with the chemical...


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