Test Bank for Essentials of Oral Histology and Embryology: A Clinical Approach. 6th Edition by Daniel J. Chiego Jr

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ChapterA01: Development and Structure of Cells and Tissues Chiego: Essentials of Oral
Histology and Embryology, 6th Edition


MULTIPLEACHOICE

1. MitochondriaAproduceAwhichAchemicalAforAintracellularAenergy?
a. ADP
b. ATP
c. RNA
d. DNA
AANS:AB




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A MitochondriaAgenerateAenergyAthroughAATP,AnotA ADP,Aproduction.
B Correct.AMitochondriaAproduceAenergyAviaAATP.
C MitochondriaAgenerateAenergyAthroughAATP,AnotA RNA,Aproduction.
D MitochondriaAgenerateAenergythroughAATP,AnotADNA,Aproduction

.ADIF: RecallA REF: pp.A2-3AOBJ:A1

2. EachAtissueAoriginatesAfromAmesoderm,AEXCEPTAone.AWhichAisAtheAEXCEPTION?
a. Bone
b. Liver
c. Blood
d. Muscle
AANS:AB




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A BoneAtissueAdevelopsAfromAmesodermalAcells.
B Correct.ALiverAtissueAisAproducedAbyAendodermalAcells.
C BloodAdevelopsAfromAmesodermalAcells.
D MuscleAtissueAdevelopsAfrom mesodermalAcells
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.ADIF: RecallA REF: p.A6 OBJ:A3

3. WhichAchemicalAisAcalledAtheAsecondAmessenger?
a. aDNA
b. mRNA
c. dGMP

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d. cAMP
AANS:AD




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A cAMPAisAtheAsecondAmessenger;AaDNAAisAnot.
B cAMPAisAtheAsecondAmessenger;AmRNAAisAnot.
C cAMPAisAtheAsecondAmessenger;AdGMPAisAnot.
D Correct.AcAMPAtransmitsAinformationAtoAtheAintracellularAorganellesAwhe
nAactivatedAbyAsurfaceAreceptorsAonAtheAplasmaAmembrane.

DIF: RecallA REF: p.A3 OBJ:A3

4. WhichAcellularAcomponentAfacilitatesAproteinAsynthesis?
a. Ribosomes
b. Lysosomes
c. Mitochondria
d. PlasmalemmaAANS:AA

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A Correct.ARibosomesAsynthesizeAprotein.
B LysosomesAfacilitateAtheAbreakdownAofAintracellularAandAextracellularAsubstances.
C MitochondriaAgenerateAenergy.
D TheAplasmalemmaAprovidesAaAprotectiveAbarrierAandAregulatesAtheAtransportAo
fAsubstancesAtoAandAfromAtheAcell.

5. WhichAorganelleAproducesAmicrotubules?
a. Nucleus
b. Centriole
c. GolgiAapparatus
d. EndoplasmicAreticulumAANS:AB

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A CentriolesAgenerateAmicrotubules;AtheAnucleusAdoesAnot.
B Correct.ACentriolesAproduceAmicrotubules.
C CentriolesAgenerateA microtubules;AtheAGolgiAapparatusAdoesAnot.
D CentriolesAgenerateAmicrotubules;AtheAendoplasmicAreticulumAdoesAnot

.ADIF: RecallA REF: p.A3 OBJ:A1

6. WhichAphaseAofAtheAcellAcycleAisAcharacterizedAasAtheAinitialArestingAstage?

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a. SAphase
b. G1Aphase
c. G2Aphase
d. ProphaseAANS:AB

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A TheASAphaseAisAcharacterizedAasAtheAstageAinAwhichADNAAsynthesisAisAcomplete.
B Correct.ATheAG1AphaseAisAtheAinitialArestingAstage.
C TheAG2AphaseA isAcharacterizedA byApost-DNAAduplication.
D ProphaseAisAcharacterizedAbyAfourAspecificAstructuralAchanges

.ADIF: RecallA REF: p.A4 OBJ:A1

7. PosttranslationalAmodificationsAtoAproteinsAproduced byAtheAroughAendoplasmicAreticulu
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mAare
accomplishedAby .
a. mitochondria
b. GolgiAapparatus
c. messengerARNA
d. smoothAendoplasmicAreticulumAANS:AB

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A TheAGolgiAapparatusAisAresponsibleAforAposttranslationalAalterations;Amitochondri
aAareAnot.
B Correct.ATheAGolgiAapparatusAmakesAalterationsAtoAproteinsAproducedAbyAth
eAroughAendoplasmicAreticulum.
C TheAGolgiAapparatusAisAresponsibleAforAposttranslationalAalterations;AmRNAAi
sAnot.
D TheAGolgiAapparatusAisAresponsibleAforAposttranslationalAalterations;AtheAsmoot
hAendoplasmicAreticulumAisAnot.

DIF: RecallA REF: p.A2 OBJ:A1

8. The providesAanAidealAenvironmentA forAtheAimplantationAandA growthAofAtheAembryo.
a. ovary
b. uterineAtube
c. myometrium
d. endometriumAANS:AD

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