Question

What is division of labour ? 2 mark question

Answer 1

Now concentrate on the division of labour inside the cell.

At the protoplasmic level various components of protoplasm perform various functions

For example

• The mitichondrion works to breakdown sugar and store released energy in the form of ATP which is more commonly called energy currency and less commonly the actual food of various components of cell,as it is used for all anabolic reactions and energy requiring activities inside the cell
  
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Coordination centre- in humans brain is coordination centrewhere division of labour happens , but in bacteria ,nucleus performs most if its functions.From coordinating cell growth with the reproduction , nucleus takes load of transfering stimulus at receptors to effector that is new effector protein production by activation of special gene
Endoskeleton-the fibers of actin ,myoteme etc form the endo skeleton and help cell maintain its shape
Making of food - chloroplast containing chlorophyll synthesis their own food
If you observe , the nucleus by itself cannot perform all the functions on its own. By delegating work and coordinating the workof itscell organelles who are just supposed to exceute only the task alloted to them the entire work gets done in an incredibly short period of time . Clearly, division of laabour is the hall mark of an eujaryotic cell.