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BIO 117 Chapters 1–4 Quiz Study Guide | In-Class Quiz Notes & Key Concepts

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Get ready for your BIO 117 Chapters 1–4 In-Class Quiz with this focused and easy-to-review study guide. This document covers essential concepts, key terms, and important topics from Chapters 1–4 to help you prepare efficiently and score higher. Perfect for quick revision, this resource simplifies core biology concepts and is ideal for students who want a clear and concise guide before their quiz.

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Bioghn117ghnChapterghn1-4ghnIn-ClassghnQuizghnStudyghnGuide


Theghnstrengthghnofghnaghncovalentghnbondghndependsghnonghntheghnnumberghnofghnele
ctronsghnshared.ghnN2ghnsharesghn_____ghnpairs.ghn-
ghnCORRECTghnANSWER✔Three




Electronsghnareghnattractedghntoghntheghnpositivelyghnchargedghnnucleusghnandghnare
ghnheldghnfarghnawayghnbyghn'_____.'ghn-ghnCORRECTghnANSWER✔Energy




Water'ghn___________ghnpropertiesghnallowghnitghntoghnremainghnliquidghnatghncold
ghntemperaturesghnandghnleadghntoghnsurfaceghntension.ghn-

ghnCORRECTghnANSWER✔Cohesive




Matterghnisghncomposedghnofghn____ghn-ghnCORRECTghnANSWER✔Atoms


Theghnelectronsghninghntheghnouterghnmostghnenergyghnlevelghnareghnreferredghntoghnas
ghn________ghnelectrons ghnandghntheyghndetermine ghntheghnchemical ghnpropertiesg

hnofghnanghnelement.ghnElementsghn'want'ghntoghnhaveghnaghnfullghnouterghnshellghnofghn

8.ghn-ghnCORRECTghnANSWER✔Valence


Theghnpreciseghnlocationghnofghnanghnelectronghncanghnnotghnbeghnknownghnbutghnthegh
nareaghnwhereghntheyghnareghnmostghnlikelyghntoghnoccurghnisghntheghnorbital. ghnOrbita

lsghncanghncontainghnonlyghn_____ghnelectronsghnandghncanghnbeghncloseghnorghnfarghna
wayghnfromghntheghnnucleus.ghn-ghnCORRECTghnANSWER✔Two

,Onlyghn______ghnelementsghnareghnfoundghninghnlivingghnthingsghninghnmoreghnthangh
ntraceghnamountsghnandghn4ghnelements,ghnCHON,ghnmakeghnupghn96%ghnofghntheghn

massghnofghnlivingghnthings.ghn-ghnCORRECTghnANSWER✔Twelve


AssociationsghnbetweenghntheghnnegativelyghnchargedghnOghnofghnoneghnmoleculeg
hnandghntheghnpositively ghnchargedghnHghnofghnanotherghnformghn_________ghnandghn

accountghnforghnmuchghnofghntheghnorganizationghnofghnlivingghnsystems.ghn-
ghnCORRECTghnANSWER✔HydrogenghnBonds




Theghnformationghnandghnbreakingghnofghnchemicalghnbondsghnisghnknownghnasghnaghn
_______.ghn-ghnCORRECTghnANSWER✔Reaction


Someghnisotopesghnareghnmoreghnradioactiveghnthanghnothers,ghnbutghnallghndecayghn
atghnaghnconstantghnrateghnandghnhaveghnconstantghn______ghn(theghntimeghnitghntakesg
hn½ghnofghntheghnmassghnofghnanghnisotopeghntoghndisappear).ghn-

ghnCORRECTghnANSWER✔Half-life




Moleculesghnconsistingghnonlyghnofghncarbonghnandghnhydrogenghnareghn_______,g
hnwhichghnstoreghntremendousghnamountsghnofghnenergy.ghn-

ghnCORRECTghnANSWER✔Hydrocarbons




Mostghnplantghnstarchesghnexistghnasghn_____,ghnwhichghnareghnbranchedghnalphaghn
glucoseghnchains.ghn-ghnCORRECTghnANSWER✔Pectins


_______ghnreactionsghnareghnperformedghnbyghnenzymesghnwithinghncellsghnandghnc
onsistghnofghntheghnremovalghnofghnanghnOHghngroupghnfromghnoneghnmonomerghnand

, ghnanghnHghnatomghnfromghnanotherghntoghnformghnaghnwaterghnmolecule.ghn-
ghnCORRECTghnANSWER✔Dehydration




______ghnconsistsghnofghnbetaghnglucoseghnandghnhasghnbetaghn1-4ghnlinkages.ghn-
ghnCORRECTghnANSWER✔Cellulose




Inghn______,ghntheghnRghngroupghnisghnanghnH.ghnInghnallghnotherghnaminoghnacidsghnthe
ghngroupghnleadsghntoghnchirality. ghnInghnallghnlivingghnsystems,ghntheghnLghnformghnofg

hntheghnaminoghnacidghnisghnused.ghn-ghnCORRECTghnANSWER✔Glycerine




Highghnconcentrationsghnofghnsaltghnandghnvinegarghn_______ghnproteinsghninghnba
cteriaghnandghnthusghnactghnasghngoodghnfoodghnpreservatives.ghn-
ghnCORRECTghnANSWER✔Denatures




Proteinsghnconsistghnofghnpolymersghnofghn_________.ghnTheghnspecificghnchainghn
ofghnaminoghnacidsghndeterminesghntheghnstructureghnandghnthusghntheghnfunctionghno
fghntheghnprotein.ghn-ghnCORRECTghnANSWER✔AminoghnAcids


RNAghncontainsghnaghn______ghnsugarghninsteadghnofghndeoxyriboseghnandghnusesgh
nuracilghninsteadghnofghnthymine.ghn-ghnCORRECTghnANSWER✔Ribose




______ghnpairsghnwithghnThymineghnandghnUracilghnandghnCytosineghnpairsghnwithg
hnGuanine,ghntheghnmostghnstableghnhydrogenghnbondghnassociations.ghn-

ghnCORRECTghnANSWER✔Adenine

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