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Prokaryotic cytoskeleton: Quiz


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Question 1: The MinCDE system is a filament system that properly positions the septum in the middle of the cell in ________.
Pseudomonas aeruginosaHelicobacter pyloriEscherichia coliPathogenic bacteria

Question 2: ________ (A1, A2, B, C1, G1, G2)

Question 3: MreB is a bacterial protein believed to be analogous to eukaryal ________.

Question 4: MreB assembles into a helical network of filamentous structures just under the ________, covering the whole length of the cell.
Cell nucleusCell membraneCell (biology)Vesicle (biology)

Question 5: [12] The system is analogous to eukaryotic chromosome segregation as ParM acts like eukaryotic tubulin in the mitotic spindle, ParR acts like the kinetochore complex, and parC acts like the ________ of the chromosome.
CentromereKaryotypeChromosomal translocationHeterochromatin

Question 6: ________ (1A, 1B, 1C, MYH1, MYH2, MYH3, MYH4, MYH6, MYH7, MYH7B, MYH8, MYH9, MYH10, MYH11, MYH13, MYH14, MYH15, MYH16)

Question 7: In fact, analogues for all major cytoskeletal proteins in ________ have been found in prokaryotes.

Question 8: ParM affixes to ParR, a ________ that specifically binds to 10 direct repeats in the parC region on the R1 plasmid.
Transcription factorDNA-binding proteinDNA-binding domainNucleosome

Question 9: The prokaryotic cytoskeleton is the collective name for all structural filaments in ________.
CyanobacteriaProkaryoteBacteriaGram-positive bacteria

Question 10: Although comparison of the ________ of FtsZ and tubulin reveal a weak relationship, their 3-dimensional structures are remarkably similar.
Amino acidPrimary structureProtein biosynthesisDisulfide bond


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