Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
31 Cards in this Set
- Front
- Back
|
Which of the following are composed primarily of tubulin?
a.Basal bodies b.Intermediate filaments c.Microfilaments d.Microtubules |
a.Basal bodies
d.Microtubules |
|
|
Which of the following indicates the average diameter of cytoplasmic filaments composed by vimentin?
a.5-7 nm b.10-12 nm c.24 nm d.50-70 nm e.100-120 nm f.240 nm g.500-700 nm |
b.10-12 nm
|
|
|
Polymers of protein subunits
A-Microtubule B-Microfilaments C-Neither |
A-Microtubule
B-Microfilaments |
|
|
Rise from g-actin polymerization
A-Microtubule B-Microfilaments C-Neither |
B-Microfilaments
|
|
|
Components of cytoskeleton
A-Microtubule B-Microfilaments C-Neither |
A-Microtubule
B-Microfilaments |
|
|
Composed of tubulin
A-Microtubule B-Microfilaments C-Neither |
A-Microtubule B-Microfilaments |
|
|
Dynamic structures able to polymerize and depolymerize
A-Microtubule B-Microfilaments C-Neither |
A-Microtubule
|
|
|
Subunits of centrioles
A-Microtubule B-Microfilaments C-Neither |
C-Neither
|
|
|
Their walls are composed of protofilaments
A-Microtubule B-Microfilaments C-Neither |
A-Microtubule
|
|
|
Outer diameter of about 24 nm
A-Microtubule B-Microfilaments C-Neither |
A-Microtubule
|
|
|
Components of terminal web
A-Microtubule B-Microfilaments C-Neither |
B-Microfilaments
|
|
|
Present in tonofibrils
A-Tubulin B-Cytoplasmic dynein C-Actin D-Desmin E-Cytokeratin |
E-Cytokeratin
|
|
|
Forms of protofilaments of microtubules
A-Tubulin B-Cytoplasmic dynein C-Actin D-Desmin E-Cytokeratin |
A-Tubulin
|
|
|
Present in epithelial cells
A-Desmin filaments B-Cytokeratin filaments C-Vimentin filaments D-Neurofilaments E-Glial filaments |
B-Cytokeratin filaments
|
|
|
Present in neurons
A-Desmin filaments B-Cytokeratin filaments C-Vimentin filaments D-Neurofilaments E-Glial filaments |
D-Neurofilaments
|
|
|
Present in muscle elements
A-Desmin filaments B-Cytokeratin filaments C-Vimentin filaments D-Neurofilaments E-Glial filaments |
A-Desmin filaments C-Vimentin filaments |
|
|
Which of the following statements concerning nuclear envelope is(are) true?
a.Nuclear envelope is composed of a single unit membrane b.Nuclear pores are surrounded by protein complexes c.Perinuclear cisternae are continuous with endoplasmic reticulum d.Nuclear envelope is composed of two unit membranes separated by the perinuclear cistern |
b.Nuclear pores are surrounded by protein complexes
c.Perinuclear cisternae are continuous with endoplasmic reticulum d.Nuclear envelope is composed of two unit membranes separated by the perinuclear cistern |
|
|
Nuclear envelope is considered a specialized portion of one of the following structure:
a.Golgi complex b.Nucleolus c.Plasma membrane d.Rough endoplasmic reticulum |
d.Rough endoplasmic reticulum
|
|
|
Which of the following structures play(s) a role in ribisiomal RNA (rRNA) synthesis?
a.Free polyribosomes b.Nuclear envelope c.Nucleolus d.Phagosomes e.Lysosomes f.Rough endoplasmic reticulum g.Smooth endoplasmic reticulum |
c.Nucleolus
|
|
|
Which of the following terms is applied to the smallest chromatin morphologic subunit in eukaryotic cells?
a.Chromosome b.Euchromatin c.Genes d.Heterochromatin e.Histone f.Nucleosome g.Solenoid |
f.Nucleosome
|
|
|
Contain nucleosomes
A-Heterochromatin B-Euchromatin C-Neither |
A-heterochromatin
B-Euchromatin |
|
|
Stains darkly with acid dyes
A-Heterochromatin B-Euchromatin C-Neither |
C-Neither
|
|
|
Stains darkly with toluidine blue or hematoxylin
A-Heterochromatin B-Euchromatin C-Neither |
A-Heterochromatin
|
|
|
Helps attach ribosomes to rough endoplasmic reticulum
A-Ribophorin B-Lipofuscin C-Colchicine D-Euchromatin E-Heterochromatin F-Lamin G-Cytoplasmic dynein H-Vimentin I-None of the above |
A-Ribophorin
|
|
|
Found in greater amount in cells with a long life-span
A-Ribophorin B-Lipofuscin C-Colchicine D-Euchromatin E-Heterochromatin F-Lamin G-Cytoplasmic dynein H-Vimentin I-None of the above |
B-Lipofuscin
|
|
|
Inhibits microtubule polymerization
A-Ribophorin B-Lipofuscin C-Colchicine D-Euchromatin E-Heterochromatin F-Lamin G-Cytoplasmic dynein H-Vimentin I-None of the above |
C-Colchicine
|
|
|
Kinetic protein of MAPs family
A-Ribophorin B-Lipofuscin C-Colchicine D-Euchromatin E-Heterochromatin F-Lamin G-Cytoplasmic dynein H-Vimentin I-None of the above |
G-Cytoplasmic dynein
|
|
|
Associated with inner surface of nuclear envelope
A-Ribophorin B-Lipofuscin C-Colchicine D-Euchromatin E-Heterochromatin F-Lamin G-Cytoplasmic dynein H-Vimentin I-None of the above |
F-Lamin
|
|
|
Forms some of intermediate filaments
A-Ribophorin B-Lipofuscin C-Colchicine D-Euchromatin E-Heterochromatin F-Lamin G-Cytoplasmic dynein H-Vimentin I-None of the above |
F-Lamin
H-Vimentin |
|
|
More abundant in nuclei with high level of transcription activity
A-Ribophorin B-Lipofuscin C-Colchicine D-Euchromatin E-Heterochromatin F-Lamin G-Cytoplasmic dynein H-Vimentin I-None of the above |
D-Euchromatin
|
|
|
contain desmin or vimentin
A-microtubules B-microfilaments C-neither |
A-microtubules B-microfilaments
|
