Which of the following options is correct about structures visible in the cross - section of a centriole?
A. Peripheral microtubules (triplets) = 9 , Central microtubules (singlets) = 2 , Hub = 1 , Spokes = 9 , Inter triplet bridge = 9
B. Peripheral microtubules (triplets) = 9 , Central microtubules (singlets) = 2 , Hub = 9 , Spokes = 9 , Inter triplet bridge = 9
C. Peripheral microtubules (triplets) = 9 , Central microtubules (singlets) = 2 , Hub = 1 , Spokes = 2 , Inter triplet bridge = 2
D. Peripheral microtubules (triplets) = 9 , Central microtubules (singlets) = 0 , Hub = 1 , Spokes = 9 , Inter triplet bridge = 9