Biology 1134 Exam 1 Questions And Answers

Biology 1134 Exam 1 Questions And
Answers
Acidsw-wCORRECTwwANSWER-pHwbeloww7.wReleasewH+winwsolution

ActinwFilamentsw-wCORRECTwwANSWER-
Havewpluswandwminuswend;wFoundwthoughtwthewcytosolwbutwconcentratedwnearw
thewplasmawmembrane

ActinwFilamentswFunctionw-wCORRECTwwANSWER-
supportwthewplasmawmembrane,wmaintainwcellwshape,wandwcellwmovement

Activewtransportw-wCORRECTwwANSWER-
substanceswarewmovedwagainstwtheirwconcentrationwgradientsw(lowwtowhigh);wene
rgywiswrequired

Adhesionw-wCORRECTwwANSWER-
waterwmoleculeswadherewtowsurfaceswthatwarewnotwelectricallywneutral

Anionsw-wCORRECTwwANSWER-negativelywchargedwions

Archaeaw-wCORRECTwwANSWER-
unicellularwprokaryotes.wlivewinwextremewenvironmentsw(akawextremeophiles).wLive
winwareaswofwhighwsalinity,wlowwpH,wandwExtremewtemps.

Axonemew-wCORRECTwwANSWER-
Internalwstructurewofwflagellawandwciliawinweukaryoticwcells.wComposedwofwmicrot
ubules,wdyneinw(motorwprotein),wandwlinkingwprotein.

Bacteriaw-wCORRECTwwANSWER-
mostwprimitiveworganismswonwEarth.wDatewbackwtow3.5wbillionwyrs.wUnicellularw(
Prokaryote=nownucleus)

Basesw-wCORRECTwwANSWER-pHwabovew7.wReleasewOH-winwsolution

BinomialwNomenclaturew-wCORRECTwwANSWER-
Thewuniquewscientificwname;wmadewupwofwGenuswandwSpecies.wGenuswiswCAPI
TALIZEDwandwSpecieswiswNOT.wUnderlineworwItalicize.

Botanyw-wCORRECTwwANSWER-studywofwplants

,Brownwfatw-wCORRECTwwANSWER-foundwinwhibernatingwanimals

Bufferswdowwhat?w-wCORRECTwwANSWER-
preventwdrasticwchangeswinwpHwofwbodilywfluids

C-Cwbondswarewmorewstablewinwwhatwenvironmentsw-wCORRECTwwANSWER-
widewrangewofwtemperaturewwherewlivingwthingswarewfound

carbohydratesw-wCORRECTwwANSWER-
commonlywreferredwtowaswstarchesworwsugars;wproductwofwphotosynthesis

Carbohydrateswcontainwwhichwelementsw-wCORRECTwwANSWER-
C,wH,wandwOwinwawrationwofw1C:2H:1O

Carbonwhaswfourwvalencewelectronswso....w-wCORRECTwwANSWER-
itwcanwformwupwtow4wcovalentwbondswwithwotherwatoms.wUsuallywH,wO,wN,wS,w
andwotherwCwatoms.

Cationsw-wCORRECTwwANSWER-positivelywchargedwions

Cellulosew-wCORRECTwwANSWER-
Unbranchedwpolymerwofwglucosewmolecules.wPrimarywstoragewformwofwglucosewi
nwplants.wMostwabundantworganicwmaterialwonwEarth.w(Usedwinwcellwwallswinwpl
ants)

Centriolesw-wCORRECTwwANSWER-
(Inwanimals)wLocatedwinwcentrosomes,wpairedwstructures,wgrowthwofwmicrotubules
winwanimalswbeginwhere.

Centrosomew-wCORRECTwwANSWER-
regionwwherewmicrotubuleswformwinwanimalwcells

ChemicalwBondsw-wCORRECTwwANSWER-Energywrelationshipwbetweenwelectrons

chemicalwgradientw-wCORRECTwwANSWER-
differencewinwionwconcentrationwacrosswmembrane.

Chloroplastw-wCORRECTwwANSWER-functionwinwphotosynthesis

Cholesterolw-wCORRECTwwANSWER-
stabilizeswmembranes;weffectswarewtempwdependent;wshortwridgedwmolecule

Cholesterolwatwhightwtempsw-wCORRECTwwANSWER-
decreasewinwmembranewfluidity

, Cholesterolwatwlowwtempsw-wCORRECTwwANSWER-
increasewinwmembranewfluidity

Chromatinw-wCORRECTwwANSWER-DNAwandwproteinsw(UNCONDENSED)

Chromosomew-wCORRECTwwANSWER-Condensedwchromatin

Ciliaw-wCORRECTwwANSWER-
usuallywshort,wmultiplewstructures;wtendwtowcoverwallworwpartwofwthewsurfacewof
wawcell;wmovewinwunisonwtowgeneratewawcurrent;wmovewentirewcellw(unicellularw
organisms);wmovewmaterialwacrosswfreewcellwsurfacew(multicellularworganism).

CiliawandwFlagellaw-wCORRECTwwANSWER-havewthewsamewinternalwstructure

Cisternaew-wCORRECTwwANSWER-Flattened,wFluid-filledwmembranewtubules

Cohesionw-wCORRECTwwANSWER-
waterwmoleculeswarewattractedwtoweachwotherwduewtowhydrogenwbonding

ColligativewPropertiesw-wCORRECTwwANSWER-
Propertieswthatwdependwonwthewtotalwnumberwofwdissolvedwsolutes,wnotwonwthe
wspecificwtypewofwsolute.w(Ex.wboilingwpoint,wfreezingwpoint)

Compoundw-wCORRECTwwANSWER-
Atomswofw2worwmorewdifferentwelementswbondedwtogether.

Concentrationwgradientsw-wCORRECTwwANSWER-
solutewconcentrationwiswhigherwonwonewsidewofwthewmembranewthanwthewother;
wuniversalwfeaturewofwallwlivingwcells

Conclusionw-wCORRECTwwANSWER-
Acceptwofwrejectwthewhypothesis.wHypothesiswcannotwbewprovenwtowbewtrue.wDa
taweitherwsupportswthewhypothesisworwnot.

CovalentwBondw-wCORRECTwwANSWER-
Atomswthatwsharewelectronswinworderwtowsatisfywthewoctetwrule.wStrongwbonds.w
Representedwbywsolidwlines.

Crenatew-wCORRECTwwANSWER-thewshrinkagewofwawcell

Cysew-wCORRECTwwANSWER-thewrupturewofwawcell

Cytoskeletonw-wCORRECTwwANSWER-
networkwofwproteinwfilamentswthatwarewprimarilywlocatedwinwthewcytosol.

Cytosolicwleafletw-wCORRECTwwANSWER-leafletwthatwfaceswcytoplasm