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the small units.


large compound formed from combinations of many monomers.


compounds made up of carbon, hydrogen, and oxygen atoms, usually in a ratio of 1:2:1.


single sugar molecules.


the large macromolecules formed from monosacchar rides.


a large and varied group of biological molecules that are generally not soluble in water.

nucleic acids

macromolocules containing hydrogen, oxygen, nitrogen, carbon, and phosphorus.


monomer of nucleic acids made up of a 5-carbon sugar; a phosphate group, and a nitrogenous base.

ribonucleic acid (RNA)

single-stranded nucleic acid that contains the sugar ribose.

deoxyribonucleic (DNA)

nucleic acid that contains the sugar deoxyribose.


macromolecule that contains carbon, hydrogen, oxygen, and nitrogen; need by the body for growth and repair and to make up enzymes.

amino acid

compound with an amino group (-NH2) on one end and a carboxyl group (-COOH) on the other end.

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