n. lamellar tissue that surrounds and covers a cell and its contents (*) bromide (*) melanocyte (*) seminal fluid (*) cell membrane

n. a method of asexual reproduction (*) fission (*) cytoskeleton (*) embryonic membrane (*) dendrite

n. two or more atoms of the same or different elements that unite because of Van der Waal's forces (*) diabetes (*) solidification (*) molecule (*) nausea

n. a substance consisting of anions and cations that are joined together by their opposite charges. (*) cavity (*) haloalkane (*) hypotonic solution (*) ionic compound

n. an equilibrium system where the components are not in the same phase (*) headache (*) keratin (*) heterogeneous equilibrium (*) carbon

n. outer layer of a gland or organ in the body; tissue next to the external layer in plants (*) feces (*) cortex (*) epigastrium (*) ovum

n. phosphatidylcholine; phospholipid formed from phosphatidic acid and choline (*) autoradiography (*) torpor (*) birth control (*) lecithin

n. chemical element with the symbol Ca which is used to make bones and teeth (*) calcium (*) tympanum (*) zygote (*) neutral fat

n. part of an enzyme where a substrate is accepted and is responsible for its catalytic activity (*) vertebrate (*) scrotum (*) indicator (*) active site

n. recommendation (*) advice (*) nipple (*) greenhouse gases (*) chemical equation