What are the radial spokes made of?

What are the radial spokes made of?
  1. Fibrils of tubulin protein
  2. Radial spokes made of protein
  3. The hub
  4. Cilia or flagella

Solution

The radial spokes that connect the hub to the peripheral triplets are made of protein. These spokes are a key part of the centriole's structure.

Asked in: NCERT

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