Question:
The solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single type of monomer are known as
The solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single type of monomer are known as
Updated On: Aug 1, 2022
- microtubules
- microfilaments
- intermediate filaments
- lamins.
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The Correct Option is B
Solution and Explanation
Microtubules are hollow microscopic tubular structures with an external diameter of 24 nm and of variable length. They are composed of tubulin. Intermediate filaments are the numerous microscopic protein fibres of about 10 nm thickness that form part of the cytoskeleton. They are made up of a variety of proteins e.g. keratin in nails. Microfilaments are 7-9 nm in diameter and composed of actin. Each microfilament consists of two helically twisted strands, each comprising a chain of globular sub units of actin proteins.
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Concepts Used:
Eurkaryotic Cells - Golgi Apparatus
The Golgi apparatus is also known as the Golgi complex or the Golgi body. The term is derived from Camillo Golgi, the scientist who discovered the organelle. It can be found in all eukaryotic cells, including plants and animals. They are membrane-bound organelles found in the cell's cytoplasm.
Formation of acrosome: The acrosome is a component of the tip of animal sperms that aids in the digestion of the egg or ovum covering sheath during fertilisation. The Golgi complex produces it with the help of its vesicles.