ANSWERS WITH SOLUTIONS 2024
WhatUisUmatter,UandUwhatUstatesUcanUitUexistUin?U-
UANSWERUMatterUisUanythingUthatUtakesUupUspaceUbyUhavingUvolumeUandUmass.UItUcanUexistUinUsolid,Uliqui
d,UorUgaseousUstates.
ExplainUtheUdifferenceUbetweenUessentialUandUtraceUelements.U-
UANSWERUEssentialUelementsUareUrequiredUforUhumanUlife.UTraceUelementsUareUrequiredUonlyUinUsmallUqu
antities.
IonicUbondU-UANSWERUGeneratedUbasedUonUtheUattractionUbetweenUtwoUoppositelyUchargedUparticles
CovalentUbondU-
UANSWERUOccursUwhenUelectronsUareUsharedUbyUtwoUatomsUtoUcreateUtheUvalenceUshellsUofUboth
HydrogenUbondU-UANSWERUFormsUaUrelativelyUweakUbondUthatUisUeasilyUbroken
AnionsU-UANSWERUNegativelyUchargedUions
CationsU-UANSWERUPositivelyUchargedUions
WhatUorganicUcompoundsUmakeUupUbiomacromoleculesU-
UANSWERUCarbohydrates,Ulipids,Uproteins,UnucleicUacids
WhatUareUcarbohydratesU-
UANSWERUcommonlyUreferredUtoUasUsugars;UprimaryUsourceUofUfuelUforUorganismsUandUhaveUtheUsameUthr
eeUelementsUinUtheirUmainUstructureU(C,UH,UO)
WhyUareUlipidsUuniqueUamongUbiomacromoleculesU-
UANSWERUMostUareUinsolubleUinUwater.UTheyUareUnotUmonomers,UbutUareUassembledUfromUsmallerUmolec
ulesUthatUareUchemicallyUlinkedUtogether.