Acidicisolutionihas:i
a.iEqualiconcentrationiofiH+iandiOHiionsi
b.iMoreiofiH+ithaniOHiionsi
c.iLessiofiH+ithaniOHiionsi
d.iNoneiofitheiaboveicorrectianswersiMoreiofiH+ithaniOHiions
Protonsiarei________.i
a.iPresentiiniatomsithaticarryipositiveichargesi
b.iPresentiiniatomsithaticarryineutralichargesi
c.iPresentiiniatomsithaticarryinegativeichargesi
d.iNoneiofitheiaboveicorrectianswersiPresentiiniatomsithaticarryipositiveicharges
Whichiofitheseicanitriggeritheiproductioniofifreeiradicals?
a.iAlcoholi
b.iSmokei
c.iPollutioni
d.iAlliofitheiaboveicorrectianswersiAlliofitheiabove:ialcohol,ismoke,iandipollution
DNAicontainsi...i
a.iAipentoseisugaricallediribosei
b.iAipentoseisugaricalledideoxyribosei
c.iAihexoseisugaricallediribosei
d.iAihexoseisugaricalledideoxyriboseicorrectianswersiAipentoseisugaricalledideoxyribose
Aibiologicalipolymeriisisynthesizedibyi
, a.ijoiningimonomersibyitheiremovaliofiwateribyidehydrationisynthesisi
b.iBreakingidownimonomersibyitheiremovaliofiwateriinihydrolysisireactioni
c.ijoiningimonomersibyitheiremovaliofiwateribyihydrolysisisynthesisi
d.iallitheiaboveicorrectianswersijoiningimonomersibyitheiremovaliofiwateribyidehydrationisynthesis
Eukaryoticicellsiarei______i
a.ialwaysimulticellular
b.ialwaysiunicellulari
c.iSomeimulticellulariandisomeicanibeiunicellulari
d.iNoneiofitheiaboveicorrectianswersiSomeimulticellulariandisomeicanibeiunicellular
Whichitraceielementiisinecessaryiforihumanibodyithatiisiobtainedifromitableisalt?i
a.iTitaniumi
b.iOxygeni
c.iIodinei
d.iHydrogenicorrectianswersiIodine
Oxygeniiniwateriarei
a.iElectroniacceptorsi
b.iElectronidonorsi
c.iSlightlyinegativeiinichargei
d.iBothiaiandicicorrectianswersiAiandiC:iElectroniacceptorsiandielectronidonors
Livingiorganismsineedioxygenitoisurvive.iWhichistatementibelowiisitruei
a.iOxygeniisimajorielementineededibyianimalsi
b.iSomeibacteriaidoinotineedioxygenitoisurvive,isuchiasianaerobicibacteriai
c.iAllivirusesineedioxygeni