n. unpleasant feeling people experience when they stop taking a drug they are addicted to (*) biogenesis (*) sclera (*) withdrawal symptom (*) double helix

n. fine long thread attached to some cells e.g. spermatozoa and certain protozoa (*) vas deferens (*) mucosa (*) flagellum (*) dinucleotide

n. unicellular or multicellular organism whose cells contain membrane-bound cell organelles similar to a nucleus (*) eukaryote (*) hypertensive (*) fatigue (*) circulatory system

n. a solution of urea and salts in water that is formed by the kidneys (*) composition (*) systole (*) urine (*) amphipathic lipid

n. organ in the abdominal cavity with the function to maintain water and electrolyte regulation and filtering the blood of metabolic products (*) glycolipids (*) entropy (*) kidneys (*) thoracic cavity

n. the process where a substance loses electrons (*) blind spot (*) oxidation (*) muscle (*) cavity

n. fat containing double carbon-carbon bonds (*) refractory period (*) unsaturated fat (*) fever (*) amphipathic lipid

n. an amino acid (*) adrenaline (*) cystine (*) exotoxin (*) lymph node

n. characteristic that is controlled by a gene carried on the X chromosome (*) transposon (*) X-linked disease (*) ureter (*) alveolus

n. the amount of a substance within a second substance, usually in a solution (*) gallstone (*) concentration (*) endolymph (*) burn