General chemistry: matter, energy and measurement; atoms; chemical bonds; chemical reactions; gases, liquids, and solids; solutions and colloids; reaction rates and equilibrium; acids and bases; nuclear chemistry. Organic chemistry: organic chemistry; alkanes and cycloalkanes; alkenes and alkynes; alcohols, ethers, and thiols; benzene and its derivative; chirality; amines; aldehydes and ketones; carboxylic acids, anhydrides, esters, amides. Biochemistry: carbohydrates; lipids; proteins; enzymes; chemical communication - neurotransmitters and hormones; nucleic acid and heredity; transfer of information, protein synthesis; bioenergetics - how the body converts food to energy; specific catabolic pathways - carbohydrate, lipid, and protein metabolism; biosynthetic pathways; nutrition and digestion; immunochemistry; body fluids.