Hesi A2 2026 Biology Exam
Which is not a step in the water cycle? - Nitrification(nitrogen cycle)
Steps
Condensation(gasztozliquid)
Transpiration(losszofzwaterzthroughzazplantszstomata)
Absorption(intakezofzwaterzfromzthezwaterztablezbyzplantzroots)
Whichzgiveszthezorderzofzfourztaxonomiczcategorieszfromzleastztozmostzspecific?z-
zKingdomzphylumzclasszorderzfamilyzgenuszspecies
Whyziszyeastzusedztozmakezbreadzrise?z-
zYeastzcarrieszoutzfermentation,zproducingzethanolzandzcarbonzdioxide
Howziszmitosiszdifferentzfromzmeiosis?z-
zMeiosiszcreateszsexzcellszwithzhalfzthez#zofzchromosomeszofzthezparentzcellzwherezaszmitosiszcreateszc
ellszthatzarezexactzcopieszofzeachzother,zdownztoztheznumberzofzchromosomes
Whatzcanzbezaltered?z-zDNA
Whatziszsinglezstranded?z-zRNA
Whatzcontainszuracil?z-zRNA
Whatzcodeszforzproteins?z-zDNA
Imaginezthatztwozparentszbothzcarryzthezrecessivezgenezforzcysticzfibrosis.zAnyzhomozygouszrecessivezo
ffspringzwillzmanifestzthezdisease.zWhatzpercentagezofzthezoffspringziszpredictedztozbezcarrierszbutznotz
manifestzthezdisease?z-z50zpercent
, Azcellziszinzazsolutionzinzwhichzthezconcentrationzofzsolutesziszhigherzinsidezthezcellzthanzoutsidezthezce
ll.zWhatzwouldzyouzexpectztozhappenztozthezcell?z-zItzwillzswellzandzprobablyzburst/hypotoniczsituation
Whatziszthezpurposezofzphloemztissuezinzplantzstems?z-
zItzconductszfoodzthroughoutzthezplant,zitziszthezsystemzofznarrowztubeszthatztransportszsugarszandzoth
erznutrients
PhysicalzfactorszsuchzasztemperaturezandzpHzcanzalterzenzymezactivityzbecauseztheyzhavezanzeffectzonz
thezenzyme'sz-zShape,zthezshapezofzanzenzymezcontrolszit'szfitzwithzitszsubstrate.
Whichzpartzofzazplantszreproductivezsystemziszofzazdifferentzgenderzthanzothers?z-
zStamenz(malezreproductivezorgan)
Whatzkindzofzsymbiosiszexistszbetweenzazpneumoniazbacteriumzandzazhuman?z-
zParasitism,zonezorganismzbenefitszoffzanother
ThezscientificznamezforzazhousezcatziszFeliszcatus.zThiszindicateszthezhousezcatszwhat?z-zGenus;zspecies
Kingdom/animaliaz
Phylum/Chordata
Class/mammaliaz
Order/carnivoraz
Family/felidaez
Genus/zFelis
Species/catus
Beeswaxziszanzexamplezofzwhatzkindzofzmolecule?z-zLipid,zwaxeszoilszandzfatszarezlipids
Whatztakeszplacezinzazlysosome?z-
zFoodziszdigested,zthezlysosomezcontainszdigestivezenzymes.zThezjobzofzazlysosomezisztozdigestzfoodzfor
zcellszandzbreakzdownzcellszwastezproducts
Which is not a step in the water cycle? - Nitrification(nitrogen cycle)
Steps
Condensation(gasztozliquid)
Transpiration(losszofzwaterzthroughzazplantszstomata)
Absorption(intakezofzwaterzfromzthezwaterztablezbyzplantzroots)
Whichzgiveszthezorderzofzfourztaxonomiczcategorieszfromzleastztozmostzspecific?z-
zKingdomzphylumzclasszorderzfamilyzgenuszspecies
Whyziszyeastzusedztozmakezbreadzrise?z-
zYeastzcarrieszoutzfermentation,zproducingzethanolzandzcarbonzdioxide
Howziszmitosiszdifferentzfromzmeiosis?z-
zMeiosiszcreateszsexzcellszwithzhalfzthez#zofzchromosomeszofzthezparentzcellzwherezaszmitosiszcreateszc
ellszthatzarezexactzcopieszofzeachzother,zdownztoztheznumberzofzchromosomes
Whatzcanzbezaltered?z-zDNA
Whatziszsinglezstranded?z-zRNA
Whatzcontainszuracil?z-zRNA
Whatzcodeszforzproteins?z-zDNA
Imaginezthatztwozparentszbothzcarryzthezrecessivezgenezforzcysticzfibrosis.zAnyzhomozygouszrecessivezo
ffspringzwillzmanifestzthezdisease.zWhatzpercentagezofzthezoffspringziszpredictedztozbezcarrierszbutznotz
manifestzthezdisease?z-z50zpercent
, Azcellziszinzazsolutionzinzwhichzthezconcentrationzofzsolutesziszhigherzinsidezthezcellzthanzoutsidezthezce
ll.zWhatzwouldzyouzexpectztozhappenztozthezcell?z-zItzwillzswellzandzprobablyzburst/hypotoniczsituation
Whatziszthezpurposezofzphloemztissuezinzplantzstems?z-
zItzconductszfoodzthroughoutzthezplant,zitziszthezsystemzofznarrowztubeszthatztransportszsugarszandzoth
erznutrients
PhysicalzfactorszsuchzasztemperaturezandzpHzcanzalterzenzymezactivityzbecauseztheyzhavezanzeffectzonz
thezenzyme'sz-zShape,zthezshapezofzanzenzymezcontrolszit'szfitzwithzitszsubstrate.
Whichzpartzofzazplantszreproductivezsystemziszofzazdifferentzgenderzthanzothers?z-
zStamenz(malezreproductivezorgan)
Whatzkindzofzsymbiosiszexistszbetweenzazpneumoniazbacteriumzandzazhuman?z-
zParasitism,zonezorganismzbenefitszoffzanother
ThezscientificznamezforzazhousezcatziszFeliszcatus.zThiszindicateszthezhousezcatszwhat?z-zGenus;zspecies
Kingdom/animaliaz
Phylum/Chordata
Class/mammaliaz
Order/carnivoraz
Family/felidaez
Genus/zFelis
Species/catus
Beeswaxziszanzexamplezofzwhatzkindzofzmolecule?z-zLipid,zwaxeszoilszandzfatszarezlipids
Whatztakeszplacezinzazlysosome?z-
zFoodziszdigested,zthezlysosomezcontainszdigestivezenzymes.zThezjobzofzazlysosomezisztozdigestzfoodzfor
zcellszandzbreakzdownzcellszwastezproducts
