1. Asstudentsissobservingsascellsundersthesmicroscope.sItsissobservedstoshavessupercoiledsDNAsw
ithshistones.sWhichsofsthesfollowingswouldsalsosbesobservedsbysthesstudent?
a. Assinglescircularschromosome
b. Asnucleus
c. Free-floatingsnuclearsmaterial
d. Nosorganelles
ANS:s B
Thescellsdescribedsissaseukaryoticscell,ssositshasshistonessandsassupercoiledsDNAswithinsitssnuc
leus;sthus,sthesnucleussshouldsbesobserved.sAssinglescircularschromosomescalledsasprokaryote
scontainssfree-floatingsnuclearsmaterialsbutshassnosorganelles.
REF:s p.s2
2. Asnursesissinstructingsthesstaffsaboutscellularsfunctions.sWhichscellularsfunctionsissthesnursesde
scribingswhensansisolatedscellsabsorbssoxygensandsusessitstostransformsnutrientsstosenergy?
a. Metabolicsabsorption
b. Communication
c. Secretion
d. Respiration
ANS:s D NURSINGTB.COM
Thescell’ssabilitystosabsorbsoxygensissreferredstosassrespirationswhilesitsscommunicationsability
involvessmaintenancesofsassteadysdynamicsstate,smetabolicsabsorptionsprovidessnutrition,sandssecr
etionsallowssforsthessynthesizingsofsnewssubstances.
REF:s p.s2
3. AseukaryoticscellsissundergoingsDNAsreplication.sInswhichsregionsofsthescellswouldsmostsofsth
esgeneticsinformationsbescontained?
a. Mitochondria
b. Ribosome
c. Nucleolus
d. NucleussCytoplasm
ANS:s C
Thesregionsofsthescellsthatscontainssgeneticsmaterial,sincludingsaslargesamountsofsribonucleicsaci
d,smostsofsthesDNA,sandsDNA-
bindingsproteins,sissthesnucleolus,swhichsisslocatedswithinsthescell’ssnucleus.sMitochondriasissas
sociatedswithscellularsrespiration,swhilesribosomessaresinvolvedswithsproteinsmanufacturing.sCy
toplasmsissasfluidsfillingsthatsissascomponentsofsthescell.
REF:s p.s2
NURSINGTB.COM
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