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Chapter 01: Development and Structure of Cells and Tissues Chiego: Essentials of Oral
Histology and Embryology, 5th Edition
MULTIPLE CHOICE
1. Mitochondria produce which chemical for intracellular energy?
a. ADP
b. ATP
c. RNA
d. DNA
ANS: B
Feedback
A Mitochondria generate energy through ATP, not ADP, production.
B Correct. Mitochondria produce energy via ATP.
C Mitochondria generate energy through ATP, not RNA, production.
D Mitochondria generate energy through ATP, not DNA, production.
DIF: Recall REF: pp. 2-3 OBJ: 1
2. Each tissue originates from mesoderm, EXCEPT one. Which is the EXCEPTION?
a. Bone
b. Liver
c. Blood
d. Muscle
ANS: B
Feedback
A Bone tissue develops from mesodermal cells.
B Correct. Liver tissue is produced by endodermal cells.
C Blood develops from mesodermal cells.
D Muscle tissue develops from mesodermal cells.
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DIF: Recall REF: p. 6 OBJ: 3
3. Which chemical is called the second messenger?
a. aDNA
b. mRNA
c. dGMP
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d. cAMP
hANS: hD
Feedback
A cAMP his h the h second h messenger; h aDNA h is h not.
B cAMP h is h the h second h messenger; h mRNA h is h not.
C cAMP h is hthe hsecond hmessenger; hdGMP his hnot.
D h Correct. h cAMP h transmits h information h to h the h intracellular h organelles
h when hactivated hby hsurface hreceptors hon hthe hplasma hmembrane.
DIF: Recall h REF: h h p. h3 OBJ: h3
4. Which hcellular hcomponent hfacilitates hprotein hsynthesis?
a. Ribosomes
b. Lysosomes
c. Mitochondria
d. Plasmalemma hANS: hA
Feedback
A Correct. hRibosomes hsynthesize hprotein.
B Lysosomes hfacilitate hthe hbreakdown hof hintracellular hand hextracellular hsubstances.
C Mitochondria hgenerate henergy.
D The hplasmalemma hprovides ha hprotective hbarrier hand hregulates hthe htransport
hof hsubstances hto hand hfrom hthe hcell.
5. Which horganelle hproduces hmicrotubules?
a. Nucleus
b. Centriole
c. Golgi happaratus
d. Endoplasmic hreticulum hANS: hB
Feedback
A Centrioles hgenerate hmicrotubules; hthe hnucleus hdoes hnot.
B Correct. hCentrioles hproduce hmicrotubules.
C Centrioles hgenerate hmicrotubules; hthe hGolgi happaratus hdoes hnot.
D Centrioles hgenerate hmicrotubules; hthe hendoplasmic hreticulum hdoes hnot.
h DIF: Recall h REF: h p. h3 OBJ: h1
6. Which hphase hof hthe hcell hcycle his hcharacterized has hthe hinitial hresting hstage?