Answers

2016-04-04T20:38:37+05:30
The shape of cells depend on the type of work or the function done by them ....for e.g spindle shape of the muscle cell helps it to contract and relax.so as the sperm cell has a tail to help it posses motion and help it move..there are many more examples such as the blood cell RBCs they are concave shape to help them cucut through the fluid.
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2016-04-04T22:06:37+05:30
Cell membrane and cell wall
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