Prentice Hall Biology Chapter 2 section 3

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monomers

the small units.

polymers

large compound formed from combinations of many monomers.

carbohydrates

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

monosaccharides

single sugar molecules.

polysaccharides

the large macromolecules formed from monosacchar rides.

Lipid

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.

nucleotides

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.

protein

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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