2) Polarized cells are characterized by
A) random orientation within a tissue.
B) a polar flagellum.
C) random orientation within an organ.
D) distinct apical and basolateral sides.
E) both choices B and D
4) In animal cells, the extracellular matrix plays important rolesin all of the following processes except
A) cell division.
B) motility.
C) DNA replication.
D) differentiation.
E) adhesion.
6) Which of the following statements is true regarding cell-celladhesion?
A) Adhesion is coordinated with many cellular processes except cellsurvival.
B) Adhesion molecules include plakoglobulin, which cements twocells together.
C) Adherens junctions are exclusive to plant cells.
D) Adhesive junctions are characterized by the attachment of longmolecules of hyaluronate.
E) Adhesive junctions are dynamic in response to cellularsignals.
8) Which of the following is mismatched?
A) IgSF[emdash]chondroitin
B) cadherins?calcium ions
C) selectins?leukocytes
D) cadherins?embryonic development
E) lectins?carbohydrates
10) Which of the following activities is not associated withcadherins?
A) segregation of cells to specific tissues
B) paracellular transport
C) embryonic development
D) establishment of synaptic connections
E) loss of activity associated with cancer
12) Which of the following is the correct order for the synthesisof the plant cell wall, from the outermost layer to the innermostlayer?
A) middle lamella; primary cell wall; secondary cell wall; plasmamembrane
B) primary cell wall; middle lamella; secondary cell wall; plasmamembrane
C) plasma membrane; secondary cell wall; primary cell wall; middlelamella
D) middle lamella; secondary cell wall; primary cell wall; middlelamella
E) primary cell wall; secondary cell wall; plasma membrane; middlelamella
14) The function of integrin-linked kinase during integrin-basedsignaling is
A) integrin activation.
B) anchorage-dependent growth.
C) scaffolding protein.
D) cell movement.
E) anchorage-independent growth.
16) A person with neither anti-A nor anti-B antibodies incirculation has which of blood type?
A) A
B) B
C) AB
D) O
18) Which of the following is correctly paired with regard tosimilarity in function?
A) adhesive junctions-tight junctions
B) desmotubule-gap junction
C) tight junctions-gap junctions
D) plaques-plasmodesmata
E) connexons-desmosomes
20) You are investigating a clinical disorder in one of yourpatients. You discover that the patient has an autoimmune diseasethat targets and destroys fibroblasts. This disorder would mostlikely affect
A) fiber production by the cells, as occurs with bloodclotting.
B) annulus formation.
C) hyluronate production in the joints.
D) collagen production.
E) all of the above
22) The protein invasin is associated with
A) Yersinia psuedotuberculosis.
B) the construction of an integrin network in bacteria.
C) plasmodemata.
D) tight-junction ridge formation.
E) lubrication of joints.
24) Which of the following is mismatched with regard to similarexcellular structures in plant and animal cells?
A) elastins-extensins
B) extracellular matrix-cell wall
C) collagens-cellulose
D) proteoglycans-hemicelluloses
E) fibronectins-pectins
26) Which of the following is not associated with the basallamina?
A) serves as a structural support
B) allows for movement of some small molecules
C) can influence cell migrations in certain areas of the body
D) contains collagen type IV, proteoglycans, laminins, andentactin
E) contains the most abundant supply of fibronectins.
28) In performing research, you treat frog zygotes with antibodiesthat bind E-cadherin. As a result, you expect
A) the cells to become exclusively muscle tissue.
B) the cells to be loosely associated and abort development.
C) the cells to be loosely associated and develop into a novelstrain of frog.
D) the cells to divide uncontrollably.
E) no change with regard to development.
30) Focal contact is associated with which of the following type ofcellular junction?
A) adhesive junction
B) gap junction
C) plasmodesmata
D) tight junctions
E) all of the above
32) A type of adhesive junction that is associated with theconnection between an epithelial cell and the basal lamella isthe
A) hemidesmosome.
B) desmosome.
C) gap junction.
D) plasmodesmata.
E) focal contact.
34) In the extracellular matrix of animal cells, collagen andelastin fibers are embedded with this matrix.
A) glycoaminoglycans
B) proteoglycans
C) pectins
D) lignins
E) both choices A and B
36) The organ where you would most likely expect to find actinmicrofilaments continuous with adherens junctions is the
A) liver.
B) stomach.
C) kidney.
D) brain.
E) heart.
38) The primary polysaccharides associated with the plant cell wallare the
A) hemicelluloses.
B) extensins.
C) fibronectins.
D) pectins.
E) both choices A and D
40) The autoimmune response to desmosomes or desmosomal components(not hemidesmosomes) leads to a blistering skin disease knownas
A) pemphigus.
B) Ehlers?Danos syndrome.
C) syndecan.
D) junctional epidermolysis bullosa.
E) listeriosis.
2) Polarized cells are characterized by
A) random orientation within a tissue.
B) a polar flagellum.
C) random orientation within an organ.
D) distinct apical and basolateral sides.
E) both choices B and D
4) In animal cells, the extracellular matrix plays important rolesin all of the following processes except
A) cell division.
B) motility.
C) DNA replication.
D) differentiation.
E) adhesion.
6) Which of the following statements is true regarding cell-celladhesion?
A) Adhesion is coordinated with many cellular processes except cellsurvival.
B) Adhesion molecules include plakoglobulin, which cements twocells together.
C) Adherens junctions are exclusive to plant cells.
D) Adhesive junctions are characterized by the attachment of longmolecules of hyaluronate.
E) Adhesive junctions are dynamic in response to cellularsignals.
8) Which of the following is mismatched?
A) IgSF[emdash]chondroitin
B) cadherins?calcium ions
C) selectins?leukocytes
D) cadherins?embryonic development
E) lectins?carbohydrates
10) Which of the following activities is not associated withcadherins?
A) segregation of cells to specific tissues
B) paracellular transport
C) embryonic development
D) establishment of synaptic connections
E) loss of activity associated with cancer
12) Which of the following is the correct order for the synthesisof the plant cell wall, from the outermost layer to the innermostlayer?
A) middle lamella; primary cell wall; secondary cell wall; plasmamembrane
B) primary cell wall; middle lamella; secondary cell wall; plasmamembrane
C) plasma membrane; secondary cell wall; primary cell wall; middlelamella
D) middle lamella; secondary cell wall; primary cell wall; middlelamella
E) primary cell wall; secondary cell wall; plasma membrane; middlelamella
14) The function of integrin-linked kinase during integrin-basedsignaling is
A) integrin activation.
B) anchorage-dependent growth.
C) scaffolding protein.
D) cell movement.
E) anchorage-independent growth.
16) A person with neither anti-A nor anti-B antibodies incirculation has which of blood type?
A) A
B) B
C) AB
D) O
18) Which of the following is correctly paired with regard tosimilarity in function?
A) adhesive junctions-tight junctions
B) desmotubule-gap junction
C) tight junctions-gap junctions
D) plaques-plasmodesmata
E) connexons-desmosomes
20) You are investigating a clinical disorder in one of yourpatients. You discover that the patient has an autoimmune diseasethat targets and destroys fibroblasts. This disorder would mostlikely affect
A) fiber production by the cells, as occurs with bloodclotting.
B) annulus formation.
C) hyluronate production in the joints.
D) collagen production.
E) all of the above
22) The protein invasin is associated with
A) Yersinia psuedotuberculosis.
B) the construction of an integrin network in bacteria.
C) plasmodemata.
D) tight-junction ridge formation.
E) lubrication of joints.
24) Which of the following is mismatched with regard to similarexcellular structures in plant and animal cells?
A) elastins-extensins
B) extracellular matrix-cell wall
C) collagens-cellulose
D) proteoglycans-hemicelluloses
E) fibronectins-pectins
26) Which of the following is not associated with the basallamina?
A) serves as a structural support
B) allows for movement of some small molecules
C) can influence cell migrations in certain areas of the body
D) contains collagen type IV, proteoglycans, laminins, andentactin
E) contains the most abundant supply of fibronectins.
28) In performing research, you treat frog zygotes with antibodiesthat bind E-cadherin. As a result, you expect
A) the cells to become exclusively muscle tissue.
B) the cells to be loosely associated and abort development.
C) the cells to be loosely associated and develop into a novelstrain of frog.
D) the cells to divide uncontrollably.
E) no change with regard to development.
30) Focal contact is associated with which of the following type ofcellular junction?
A) adhesive junction
B) gap junction
C) plasmodesmata
D) tight junctions
E) all of the above
32) A type of adhesive junction that is associated with theconnection between an epithelial cell and the basal lamella isthe
A) hemidesmosome.
B) desmosome.
C) gap junction.
D) plasmodesmata.
E) focal contact.
34) In the extracellular matrix of animal cells, collagen andelastin fibers are embedded with this matrix.
A) glycoaminoglycans
B) proteoglycans
C) pectins
D) lignins
E) both choices A and B
36) The organ where you would most likely expect to find actinmicrofilaments continuous with adherens junctions is the
A) liver.
B) stomach.
C) kidney.
D) brain.
E) heart.
38) The primary polysaccharides associated with the plant cell wallare the
A) hemicelluloses.
B) extensins.
C) fibronectins.
D) pectins.
E) both choices A and D
40) The autoimmune response to desmosomes or desmosomal components(not hemidesmosomes) leads to a blistering skin disease knownas
A) pemphigus.
B) Ehlers?Danos syndrome.
C) syndecan.
D) junctional epidermolysis bullosa.
E) listeriosis.
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