Name the cytoskeletal system with which is most likely to have each of the follo

ID: 84377 • Letter: N

Question

Name the cytoskeletal system with which is most likely to have each of the following proerties.

a. The system whose polymerization would be most affected by a depletion of cellular ATP

b. The system whose polymerization would be most affected by a depletion of cellular GTP

c. The system that can withstand the most tension

d. The system most associated with generating membrane-associated movements

e. The system whose functional subunit is a protein monomer.

f. The system whose functional subunit is a protein dimer.

g. The system whose functional subunit is a protein tetramer.

h. The system that forms a radial array in interphase (in animal cells)

i. The system that forms two interdigitated radial arrays during mitosis (in animal cells)

j. The system connected to spot desmosomes

a.Actin filament- Actin monomers either bind ATP or ADP .These are competent for polymerization so depletion of cellular ATP affects polymerization.

b.Tubulin - Tubulin polymerization is affected by the depletion of cellular GTP.

c.Actin and intermediate filaments- these withstand tension and maintains the shape of the cell.

d.Actin helps in generating membrane associated movements.

e.Actin filament- Its monomer is called as G actin which is a globular protein and then it polymerizes to form F actin which is filamentous.

f.Tubulin- it is a protein dimer made up of alpha and beta tubulin.

g.Intermediate filaments - these are filaments assembled from antiparallel tetramers .

h.Microtubules- These form spindle fibres where chromosomes come to lie in an array.

i.Microtubules- These form interdigitated radial arrays blue and orange during mitosis.

j.Intermediate filaments connect adjacent cells via desmosomes.

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