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Test Bank for Textbook of Histology 4th Edition Gartner Chapter 1 - 22 Updated Guide
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Test Bank for Textbook of Histology 4th Edition Gartner Chapter 1 - 22 Updated Guide
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1Test Bank for Textbook of Histology 4th Edition
Gartner Chapter 1 - 22 Updated Guide
Histology-World
Histology Testbank: Cell 1a r rrrr r
1.
Which of the following is NOT a membranous organelle?
r r r r r r r r
a. Lysosomes
r
b. Peroxisomes
r
c. Mitochondria
r
d. Ribosomes
r
e. Endoplasmic reticulum
r r
Answer: d r
Lysosomes, peroxisomes, mitochondria, and endoplasmic reticulum are all memb
r r r r r r r r
ranous organelles. r
2.
Which organelle contains digestive enzymes?
r r r r
a. Rough endoplasmic reticulum
r r r
b. Smooth endoplasmic reticulum
r r r
c. Lysosome
r
d. Golgi apparatus
r r
e. Mitochondria
r
Answer: c r
Endoplasmic reticulum is a system of tubules. If there are ribosomes on the tubules
r r r r r r r r r r r r r
, it is termed "rough endoplasmic reticulum". Ribosomes produce proteins. When t
r r r r r r r r r r r
he ribosomes are attached to endoplasmic reticulum, the proteins produced by the
r r r r r r r r r r r r
ribosomes are exported. If there are no ribosomes on the endoplasmic reticulum, it
r r r r r r r r r r r r r
is called "smooth endoplasmic reticulum". The role of smooth endoplasmic reticul
r r r r r r r r r r
um is lipid metabolism.
r r r
Lysosomes are membrane bound sacs of digestive enzymes. They are nicknamed "
r r r r r r r r r r r
1
, 2
suicide sacs". r
The Golgi apparatus are stacks of membranous sacs. Proteins are sorted and packa
r r r r r r r r r r r r
ged in the Golgi apparatus.
r r r r
The mitochondria is the site of ATP production for the cell. ATP is the energy curr
r r r r r r r r r r r r r r r
ency of the cell. Mitochondria are nicknamed, the "powerhouse".
r r r r r r r r
3.
Which organelle is considered the powerhouse of the cell?
r r r r r r r r
a. Rough endoplasmic reticulum
r r r
b. Smooth endoplasmic reticulum
r r r
c. Lysosome
r
d. Golgi apparatus
r r
e. Mitochondria
r
Answer: e r
Endoplasmic reticulum is a system of tubules. If there are ribosomes on the tubules
r r r r r r r r r r r r r
, it is termed "rough endoplasmic reticulum". Ribosomes produce proteins. When t
r r r r r r r r r r r
he ribosomes are attached to endoplasmic reticulum, the proteins produced by the
r r r r r r r r r r r r
ribosomes are exported. If there are no ribosomes on the endoplasmic reticulum, it
r r r r r r r r r r r r r
is called "smooth endoplasmic reticulum". The role of smooth endoplasmic reticul
r r r r r r r r r r
um is lipid metabolism.
r r r
Lysosomes are membrane bound sacs of digestive enzymes. They are nicknamed "
r r r r r r r r r r r
suicide sacs". r
The Golgi apparatus are stacks of membranous sacs. Proteins are sorted and packa
r r r r r r r r r r r r
ged in the Golgi apparatus.
r r r r
The mitochondria is the site of ATP production for the cell. ATP is the energy curr
r r r r r r r r r r r r r r r
ency of the cell. Mitochondria are nicknamed, the "powerhouse".
r r r r r r r r
4.
What structure is at the base of cilia?
r r r r r r r
a. Ribosomes
r
b. Peroxisome
r
c. Microfilaments
r
d. Centrioles
r
2
, 3
e. Nucleoli
r
Answer: d r
The ribosomes are the site of protein synthesis.
r r r r r r r
Peroxisomes contain enzymes for detoxification. One of the enzymes within pero
r r r r r r r r r r
xisomes is catalase. Catalase is involved in the breakdown of hydrogen peroxide.
r r r r r r r r r r r
Microfilaments are made of actin. They form the cells cytoskeleton. r r r r r r r r r
Centrioles are composed of microtubules. Centrioles are at the base of cilia and fla
r r r r r r r r r r r r r
gella. They are also involved with cell division.
r r r r r r r
Ribosomes are assembled in the nucleoli. The nucleolus is a spherical area within t
r r r r r r r r r r r r r
he cell nucleus.
r r
5.
Which of the following is NOT considered an inclusion?
r r r r r r r r
a. Pigment
r
b. Glycogen
r
c. Lipid
r
d. Secretory granules
r r
e. Mitochondria
r
Answer: e r
Mitochondria is an organelle. Pigment, glycogen, lipid, and secretory granules are
r r r r r r r r r r r
all considered inclusions. Organelles perform an activity; they have a job; they req
r r r r r r r r r r r r
uire energy. Inclusions are for storage. Inclusions do not perform an energy requiri
r r r r r r r r r r r r
ng job. r
6.
Collectively, what is the cytoplasm and nucleus called? r r r r r r r
a. Plasmalemma
r
b. Glycocalyx
r
c. Protoplasm
r
d. Cristae
r
e. Ground substance
r r
Answer: c r
The cell boundary is defined by the cell membrane or plasmalemma. Glycocalyx i
r r r r r r r r r r r r
s a polysacchride that can be found on the outer surface of the cell membranes. Col
r r r r r r r r r r r r r r r
3
, 4
lectively, the cytoplasm and nucleus form the protoplasm of a cell. The folds on th
r r r r r r r r r r r r r r
e inner mitochodrial membrane are called cristae. The cytoplasm that surrounds or
r r r r r r r r r r r
ganelles is the cytoplasmic ground substance or cytosol.
r r r r r r r
7.
How thick is the plasma membrane?
r r r r r
a. 8-10 angstroms
r r
b. 8-10 nanometers
r r
c. 8-10 micrometers
r r
d. 8-10 millimeters
r r
e. None of the above
r r r r
Answer: b r
The plasma membrane is 8-10 nanometers thick.
r r r r r r
8.
What is the term for the general process that cells us to expunge material from the c
r r r r r r r r r r r r r r r r
ell?
a. Endocytosis
r
b. Exocytosis
r
c. Pinocytosis
r
d. Phagocytosis
r
e. Active transport
r r
Answer: b r
Endotyosis is the term for the process cells use to have substances enter them. Exo
r r r r r r r r r r r r r r
ctyosis is the term for the process cells use to remove substances. Phagocytosis is "
r r r r r r r r r r r r r r
cell eating" and is used for the transport of particulate matter. Pinocytosis is "cell d
r r r r r r r r r r r r r r
rinking". Active transport is a method which requires energy.
r r r r r r r r
9
Which organelle sorts and packages proteins within a cell?
r r r r r r r r
a. Rough endoplasmic reticulum
r r r
b. Smooth endoplasmic reticulum
r r r
c. Lysosome
r
d. Golgi apparatus
r r
e. Mitochondria
r
4
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