What are centrioles? Write about their function.
What are centrioles? Write about their function.
Centrioles are hollow and cylindrical structures which are made up of microtubules.
Functions:
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Which tissue forms blubber of whale and hump of camel?
To what height should a box of mass 150kg be lifted, so that its potential energy may become 7350 joules? (8 = 9.8m/s2).
Draw a labelled diagram to show the multiple reflections of sound in apart of the stethoscope tube.
Define the term 'work'. Write the formula for the work done on a body when a force acts on the body in the direction of its displacement. Give the meaning of each symbol which occurs in the formula.
Explain how human ear works in the transmission of sound wave to the brain.