Which of the following statements about the cytoskeleton is true?

-Movement of cilia and flagella is the result of motor proteins causing microtubules to move relative to each other.

-The dynamic aspect of cytoskeletal function is made possible by the assembly and disassembly of a large number of complex proteins into larger aggregates.

-Chemicals that block the assembly of the cytoskeleton would cause little effect on the cell's metabolism

-Transport vesicles among the membranes of the endomembrane system produce the cytoskeleton.

-Microfilaments are structurally rigid and resist compression, while microtubules resist tension (stretching).

Question

26-02-2020
Biology

contestada

Which of the following statements about the cytoskeleton is true?

-Movement of cilia and flagella is the result of motor proteins causing microtubules to move relative to each other.

-The dynamic aspect of cytoskeletal function is made possible by the assembly and disassembly of a large number of complex proteins into larger aggregates.

-Chemicals that block the assembly of the cytoskeleton would cause little effect on the cell's metabolism

-Transport vesicles among the membranes of the endomembrane system produce the cytoskeleton.

-Microfilaments are structurally rigid and resist compression, while microtubules resist tension (stretching).

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jacknjill jacknjill · Answer 1 · 2020-03-05T02:14:31+01:00

"Movement of cilia and flagella is the result of motor proteins causing microtubules to move relative to each other" statements about the cytoskeleton is true.

Option: A

Explanation:

The cytoskeleton is a complex, dynamic framework of protein filaments found in all cells' cytoplasms, involving bacteria and archaea. It stretches from the cell nucleus to the cell membrane, and in the different species it is constructed of identical proteins.

Cytoskeletal filaments form the foundation for motion of cells. For example, cilia and eukaryotic flagella shift because microtubules slide alongside each other. Cross sections of these tail-like cellular extensions probably show structured micro tubule arrays.