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- #National Eligibility Cum Entrance Test
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Centrosphere is
Option: 1
Cytoplasm containing centrosome
Option: 2
Cytoplasm containing centrioles
Option: 3
Cytoplasm containing cytosol
Option: 4
None of these
Answers (1)
Centrosome and Centrioles -
Centrosome and Centrioles
Structure:
- Centrosome is an organelle which is made up of two centrioles.
- These organelles are mainly found in most of the animal cells.
- Centrioles are also called diplosomes.
- They are non-membranous organelles.
- They are surrounded with pericentriolar material.
- The centrioles are present inside a specialised cytoplasm called centrosphere or kinoplasm.
- The centrosphere and centrioles are together called centrosomes.
- Centrioles are composed of tubulin proteins.
- There are 9 units of tubulin in the periphery and none in the centre, the arrangement becomes 9+0.
Functions:
- Centrioles are mainly involved the cell division.
- They form the spindle fibres for the attachment of the chromosomes and their distribution during the cell division.
- They also take part in the formation of cilia and flagella.
- They help in the development of tail fibres of the sperm.
-
Centrosome is an organelle which is made up of two centrioles. The centrioles are present inside a specialised cytoplasm called centrosphere or kinoplasm. The centrosphere and centrioles are together called centrosomes.
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