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Question
The solid linear cytoskeletal elements having a diameter of 6nm and made up of a single type of monomer are known as :
The solid linear cytoskeletal elements having a diameter of 6nm and made up of a single type of monomer are known as :
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Solution
The correct option is A Microfilaments
The
solid linear cytoskeletal elements having a diameter of 6nm and made up of a
single type of monomer are known as microfilaments. They are ultramicroscopic
long, narrow, cylindrical rods or protein filaments which occur in eukaryotic
plant and animal cells. Microfilaments are made up of actin constituting 10-15%
of total cell protein. They are 6-8 nm in thickness and show periodic beaded
appearance due to close helical arrangement of otherwise globular actin
molecules. Microfilaments often associate to form hexagonal bundles. They may
also occur in parallel bundles or loose network. Cyclosis is caused bythe
activity of microfilaments. They also help in stabilization of membrane
proteins.
The solid linear cytoskeletal elements having a diameter of 6nm and made up of a single type of monomer are known as microfilaments. They are ultramicroscopic long, narrow, cylindrical rods or protein filaments which occur in eukaryotic plant and animal cells. Microfilaments are made up of actin constituting 10-15% of total cell protein. They are 6-8 nm in thickness and show periodic beaded appearance due to close helical arrangement of otherwise globular actin molecules. Microfilaments often associate to form hexagonal bundles. They may also occur in parallel bundles or loose network. Cyclosis is caused bythe activity of microfilaments. They also help in stabilization of membrane proteins.
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