Animal cells contain non-membrane-bound organelles called $..........$ which help in cell division.

Which organelle,involved in cell division,is absent in plant cells?

Identify the incorrect statement regarding the centrosome and centriole.
$(a)$ The centrosome is surrounded by amorphous pericentriolar material.
$(b)$ In the centrosome,both centrioles lie parallel to each other,and both have a cartwheel-like structure.
$(c)$ The centriole is made up of peripheral tubulins from unspecified locations.
$(d)$ The central part of the centriole is a proteinaceous hub.

The central part of the centriole is known as:

The arrangement of microtubules in a centriole is .......

Basal bodies are associated with the formation of