click below
click below
Normal Size Small Size show me how
week 8/9
bio vocab week 8/9
| Vocabulary | Definition | Origin | Prefix/Meaning | Root/Meaning | Suffix/Meaning | Alternate Words |
|---|---|---|---|---|---|---|
| plasma membrane | serves as boundary between the cell and its environment; allows materials such as water and nutrients to enter ans waste products to leave | Gk | n/a | plassein /"to mold," originally "to spread thin,"; membrum/ "limb, member of the body" | n/a | plaster, member, dismemberment, dismembering |
| dynamic equilibrium | result of diffusion where there is continuous movement of particles but no overall change in concentration | Gk/L | n/a | dynasthai/ "be able to have power,"; æquus "equal" + libra "a balance, scale, plummet," | n/a | dynamite, dynamic, equal, equanimity |
| diffusion | net, random movement of particles from an area of higher concentration to an area of lower concentration, eventually resulting in even distribution | L | dif- "apart, in every direction" | fundere "pour" | n/a | diffuse, difference, fundraiser, different |
| hypertonic solution | in cells, solution in which the concentration of dissolved substances outside the cell is higher than the concentration inside the cell; causes a cell to shrink as water leaves the cell | Gk/L | hyper/over, beyond, overmuch, above measure | tonikos/ "of stretching," ; solvere "to loosen, untie, solve, dissolve | n/a | hyperactive, hyperbole, hyperbolic, hypercritic |
| hypotonic solution | in cells, solution in which the concentration of dissolved substances is lower in the solution outside the cell thean the concentration inside the cell; causes a cell to swell and possibly burst as water enters the cell | Gk | hypo/under | n/a | n/a | hypothermia, hypothesis, hypothesize, hypothetical |
| isotonic solution | in cells, solution in which the concentration of dissolved substance in the solution is the same as the concentratino of dissolved substances inside a cell. | Gk | isos/equal : homogeneous : uniform | n/a | n/a | isotope, isolate, isolable, isocyclic |
| osmosis | diffusion of water across a selectively permeable membrane depending on the concentaration of solutes on either side of the membrane | Fr/Gk | endo-/ "inward" | osmos/ "a thrusting, a pushing," from othein "to push, to thrust | -sis/suffix in Gk. nouns denoting action, process, state, condition, | endoplasmic, paralysis, osmometer, osmoregulatory |
| passive transport | movement of particles across cell membranes by diffusion r osmosis; the cell uses no energy to move particles across the membrane | L | trans- "across | passivus "capable of feeling or suffering; portare "to carry" | n/a | passive, passivate, portable, portability |
| chromosome | cell structures that carry the genetic material that is copied and passed from generation to generation of cells | Gk | n/a | khroma "color" | soma "body." | chroma, chromatography, chromatin, chromatics |
| cytokenesis | cell process following meiosis or mitosis in which the cell's cytoplasm divides and separates into new cells | Gk | kytos/ "a hollow, receptacle, basket | kinesis /"movement, motion | n/a | cytomembrane, cytology, cytodifferentiation, cytogenetics |
| mitosis | a period of nuclear cell division in which two daughter cells are formed, each containing a complete set of chromosomes | Gk | mitos /"warp thread" | n/a | sis/ denoting action, process, state, condition | mitochondria, mitomycin, mitochondrion |
| cancer | uncontrolled cell division that may be caused by environmental factors and/or changes in enzyme production in the cell cycle | Gk | n/a | karkinos/crab, tumor and the zodiac constellation | n/a | cancerous, |
| adenosine triphosphate | ATP | Gk | treis/three | adenos/gland; phos /"light";phoros/"bearer" | n/a | treilage, trifold, triton, triple |
| photosynthesis | process by which autotrophs, such as algae and oplants, trap energy from sunlight with chlorophyll and use this energy to convert carbon dioxide and water into simple sugars | Germ | photo / "light" | synthese/ "synthesis" | n/a | photograph, photography, photodecomposition, photodetector |
| areobic respiration | a type of respiration in which oxygen is taken in and carbon dioxide and water are produced | Gk/ L | aero-"air" ; re- "again" | bios "life"; spirare "to breathe" | -tion/ suffix forming nouns from verbs | aeronautical, aeroplane, aerobic, aerostat |
| anaerobic respiration | a form of incomplete intracellular breakdown of sugar or other organic compounds in the absence of oxygen that releases energy; cellular respiration in the absence of oxygen | Gk | an-/ not, without | n/a | n/a | anaerobe, anaerobiosis, antidistestablishmentarianism, anti-/ |
| glycolysis | in cellular respiration, series of anaerobic chemical reactions in the cytoplasm that break down glucose into pyruvic acid; forms a new profit of two ATP molecules | Gk | n/a | lysis/ a loosening | n/a | glycolipid, glycogen, glycogenesis, glycoside |
| fermentation | a change brought about by a ferment, as yeast enzymes, which convert grape sugar into ethyl alcohol. | L | n/a | fervere/ to boil, seethe | n/a | fever, feverish, feverwort, feverfew |