1.What is D.N.A?Where it is found?Name the funtional segmants of D.N.A.

2.Two rheo cells were taken,one peel was put in a pectry dish containing hot water.After a while,both were transferred to hypertonic solutions.If the peels are observed under a microscope.Will there be any difference in the observation of both the peels.Give reasons for your answer.

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