Rate limiting: Glycolysis = PFK-1. TCA = Isocitrate Dehydrogenase.

B1 = Beriberi. B3 = Pellagra (3 Ds). B12 = Pernicious anemia.

LDL carries cholesterol to tissues. HDL carries back to liver.

Southern blot = DNA. Northern = RNA. Western = Protein (SNW DRP).

PKU = Phenylalanine hydroxylase deficiency. Maple syrup = branched chain.

Competitive inhibitor: increased Km, same Vmax. Non-competitive: same Km, decreased Vmax.

ALA synthase = rate limiting. Acute intermittent porphyria = abdominal pain + neuro.

Lesch-Nyhan = HGPRT deficiency. Gout = uric acid crystals.

Von Gierke = G6Pase deficiency. HMP shunt = NADPH + Ribose-5-P.

Iron: Ferritin = storage, Transferrin = transport. Wilson disease = copper.