Hub is the protenaceous and central part of the following structure
1.) Centromere
2.)Centriole
3.)Flagellum
4.)Kinetochore
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The central part of the proximal region of the centriole is proteinaceous and called the (A)__Hub__, which is connected with tubules of the peripheral triplet by (B)___radial spokes__.
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The Correct solution is Centriole.
- In eukaryotic cells, the centrosome is the main microtubule-organizing centre (MTOC), consisting of two centrioles surrounded by an electron-dense matrix called the pericentriolar material (PCM).
- Centrioles are the two cylindrical structures that make up the centrosome.
- Each is organised in a cartwheel pattern.
- A centriole is made up of a ring of microtubule triplets.
- The triplets next to each other are linked.
- The core section of a centriole has a proteinaceous hub.
- The triplets are connected to the hub via radial spokes.
- During cell division, these centrioles aid in the organisation of the spindle fibres and astral rays.
- They also serve as the foundation for cilia and flagella.
- The duplication of centrioles ensures that each daughter cell receives two centrioles.
- The centrosome in multicellular species' cells is derived from the basal body in unicellular organisms' cells.
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