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The solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single type of monomer are known as: [2014]
- a)Microtubules
- b)Microfilaments
- c)Intermediate filaments
- d)Lamins
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
The solid linear cytoskeletal elements having a diameter of 6 nm and m...
(b) Microtubule, microfilament and intermediate filaments along with ER form cytoskeleton. Microfilaments are nonliving, solid and consist of actin protein. They are 4-6 nm in diameter.
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The solid linear cytoskeletal elements having a diameter of 6 nm and m...
¥ As we know Microfilaments are cytoskeletal elements which are 3-6 nm in diameter and they are made up of a protein called actin.
•Microtubules are larger in diameter about 20-25 nm and they are made up of alpha and beta subunits of tubulin protein.
* Intermediate filaments are smaller in diameter.
•lamins are specialised kind of intermediate filaments found in nucleus.
•Microtubules are larger in diameter about 20-25 nm and they are made up of alpha and beta subunits of tubulin protein.
* Intermediate filaments are smaller in diameter.
•lamins are specialised kind of intermediate filaments found in nucleus.
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The solid linear cytoskeletal elements having a diameter of 6 nm and m...
Microfilaments are the solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single type of monomer.
Explanation:
Cytoskeleton is a network of protein fibers present in the cytoplasm of eukaryotic cells. It provides support, shape, and organization to the cell. The cytoskeleton is composed of three types of fibers: microtubules, microfilaments, and intermediate filaments.
Microfilaments, also known as actin filaments, are the thinnest of the cytoskeletal fibers with a diameter of 6 nm. They are composed of a single type of protein monomer called actin. Microfilaments are involved in various cellular functions such as cell shape maintenance, cell motility, muscle contraction, cytokinesis, and intracellular transport.
Microtubules, on the other hand, are the thickest of the cytoskeletal fibers with a diameter of 25 nm. They are composed of tubulin protein monomers. Microtubules are involved in various cellular functions such as cell division, intracellular transport, and maintenance of cell shape.
Intermediate filaments are intermediate in size between microfilaments and microtubules with a diameter of 10 nm. They are composed of a variety of protein monomers such as keratin, vimentin, and lamin. Intermediate filaments provide mechanical strength to cells and tissues.
Lamins are a type of intermediate filament found in the nucleus of eukaryotic cells. They provide mechanical support to the nucleus and help in the organization of chromatin.
Therefore, the correct answer is option B, microfilaments.
Explanation:
Cytoskeleton is a network of protein fibers present in the cytoplasm of eukaryotic cells. It provides support, shape, and organization to the cell. The cytoskeleton is composed of three types of fibers: microtubules, microfilaments, and intermediate filaments.
Microfilaments, also known as actin filaments, are the thinnest of the cytoskeletal fibers with a diameter of 6 nm. They are composed of a single type of protein monomer called actin. Microfilaments are involved in various cellular functions such as cell shape maintenance, cell motility, muscle contraction, cytokinesis, and intracellular transport.
Microtubules, on the other hand, are the thickest of the cytoskeletal fibers with a diameter of 25 nm. They are composed of tubulin protein monomers. Microtubules are involved in various cellular functions such as cell division, intracellular transport, and maintenance of cell shape.
Intermediate filaments are intermediate in size between microfilaments and microtubules with a diameter of 10 nm. They are composed of a variety of protein monomers such as keratin, vimentin, and lamin. Intermediate filaments provide mechanical strength to cells and tissues.
Lamins are a type of intermediate filament found in the nucleus of eukaryotic cells. They provide mechanical support to the nucleus and help in the organization of chromatin.
Therefore, the correct answer is option B, microfilaments.
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The solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single type of monomer are known as: [2014]a)Microtubulesb)Microfilamentsc)Intermediate filamentsd)LaminsCorrect answer is option 'B'. Can you explain this answer?
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