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1.- The fibrillar protein marked with the letter A in Figure 1 corresponds to
Alpha-spectrin Beta-spectrin Alpha-actinin Intermediate Filament Actin filament
2.- Figure 2 corresponds to a curve of actin polymerization. Circle the correct answer
Point A marks the phase delay or "lag phase" The polymerization is faster in the plateau phase The polymerization is slower in the elongation phase The polymerization is faster at the beginning Point C marks the elongation phase
3.- Figure 3 corresponds to a cross-section of
Secretory stereocilia Kinocilia Mechanoreceptor stereocilia Nuclear pore Centriole
4.- Figure 4 depicts a set of microvilli. The molecule labeled with the letter D, corresponds to
actin alpha actinin fimbrin myosin-I villin
5.- How is called the structure marked with the letter B in Figure 5?
Secretory stereocilia Kinocilia Mechanoreceptor stereocilia Flagelum Microvilli
6.- How are named the structures in Figure 6?
Microfilaments Microtubules Intermediate filaments Actin filaments Septin filaments
7.- What cytoskeletal component is part of the structure marked with the number 4 in Figure 7?
Actin microfilaments Microtubules
Intermediate microfilaments Septin microfilaments Formin microfilaments
8.- Molecule Figure 8 is
G-Actin Alpha-Tubulin Beta-Tubulin Tau-Protein 2 and 3 are corrects
9.- The molecule of Figure 9 is
G-Actin Alpha-Tubulin Beta-Tubulin Tau-Protein ) F-Actin
10.- The molecule of Figure 10 corresponds to
G-Actin Alpha-Tubulin Beta-Tubulin Tau-Protein F-Actin
11.- The Actin-associated protein (AAP) drawn in green is (Figura 11)
Filamin Gelsolin Alpha-actinin Fimbrin Villin
12.- The Actin-Associated Protein (AAP) observed in Figure 12, are structurally very similar to
G-Actin Alpha-Tubulin Beta Tubulin Gamma-Tubulin Profilin
13.- The Associated Related Proteins (ARPs) observed in Figure 13, are responsible for
Sequestration of G-actin Branching of actin filaments Severing of actin filaments Lateral binding of actin filaments
Fimbrin Profilin
21.- The Actin-Associated Protein (AAP), labeled with letter B (blue) in Figure 21, is
Filamin Gelsolin Alfa-actinin Fimbrin Profilin
22.- The protein of Figure 22 has within it a nucleotide which can be:
ATP/ADP GTP/GDP CTP/CDP TTP/TDP UTP/UDP
23.- The protein of Figure 23
It is in fungi It is homologous G-actin It is homologous alpha-tubulin It is homologous to the beta-tubulin It is homologous gamma-tubulin
24.- Circle the correct answer about Figure 24
A is spectrin B is actin The C is actin + cofilin The C is actin + spectrin 1, 2 and 3 are correct
25.- The structure of Figure 25 is
The axoneme of a cilium The axoneme of a flagellum A centriole 1 and 2 are correct 2 and 3 are correct
26.- The image of Figure 26 correspond to
four centrioles two diplosomas two cilia two flagella 1 and2) are correct
27.- The structure of Figure 27 is a cross-section of
centriole blefaroblast basal corpuscle cilium / flagellum stereocilium
28.- The structure of Figure 28 marked with the number 1 is called
outer dynein arm inner dynein arm nexin radial spoke inner sheath
29.- Analyzes Figure 29 and mark the correct answer
A It is similar to the intermediate filament B It is tubulin like protein C it is similar to MreB protein FtsZ take part in the bacteria shape CreS intervenes in bacteria division
30.- In Figure 30 (circle the correct answer)
A are dyneins B is a microtubule A and B are in the cilia axonema A and B are in the flagella axonema All of the above answer are true
31.- Protein in Figure 31
It is found in protist It is homologous G-actin is homologous tubulin It is homologous ARP 2/ All of the above answer are true
32.- In the structures of Figure 32, which is called protofilament?
A B C D E
33.- The molecule in Figure 33 is
Letter A is alpha-tubulin Letter B is beta-tubulin Letter A is G-actin The answers 1 and 2 are correct (mal) The answers 2 and 3 are correct
Kinesin in A Dynein in B Tau in A MAP2 in A Spectrin in B
41.- In Figure 41 we find a microtubule, and two molecular motor proteins. Circle the correct answer
the kinesin walks toward the plus pole dynein walks toward the minus pole C is the kinesin A is the plus pole All of the above answer are true
42.- Between the different microtubule-associated proteins (MAPs) one of them, labeled with letter B in Figure 42, is a sequestering protein of tubulin heterodimers. Its name is
catastrophin stathmin CAM profilin beta 4-thymosin
43.- What bacterium in Figure 43 is "Lophotrichous"?
A B C D B+D
44.- With what letter is labeled the L-ring in Figure 44?
C D E F H
45.- Which of the following answers related to Figure 45 IS NOT TRUE
It is a pseudopod Its existence was proposed by Cajal Moves mainly by F-actin It is observed in neurons It is involved in synaptogenesis
46.- Cytoplasmic IFs assemble into non-polar unit-length filaments (ULF). At what letter of Figure 46 corresponds the ULF?
A B C
D
E
47.- How are called cytoskeleton molecules observed in Figure 47?
Formins Septins Syncoilins Nesprins Isomins
48.- The following cellular structures and functions EXCEPT ONE are controlled by formins
Formation of filopodia, lamellipodia and stress fibres Endosomal dynamics Assembly of adherens junctions Budding yeast Apoptosis
49.- How many tetramers have one unit-length filament (ULF)
2 4 6 8 10
50.- The soluble structural subunit (analogous to MT αβ-tubulin dimer, or G-actin monomer) of the Intermediate filaments is
Monomer Dimer Tetramer ULF Protofilament
51.- Epithelial keratins belong to the Intemdiate filaments type
I and II II and III III and IV III and V IV and V
52.- Desmin are structural IFs components of the
Epithelial keratins Sarcomere in muscle cells Trichocytic keratins
