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Hesi A2 2026 Biology Exam

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2025/2026

Institution Hesi A2

Course Hesi A2

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Hesi A2 2026 Biology Exam

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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

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Uploaded on: April 18, 2026
Number of pages: 8
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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