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 Cell is the basic unit of life. Discuss in brief.


A single cell is capable of performing all the functions and life process. It can perform all the metabolic activities required to sustain life. The organ and tissues in multicellular organisms is made up of cells.The cell is the smallest unit that can survive independently and perform all the vital functions of life. Hence, cells are called basic unit of life

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Multicellular organisms have division of labour. Explain.

What are the characteristics of prokaryotic cells?

What is a mesosome in prokaryotic cell? Mention the functions that it performs.

What is a centromere ? How does the position of centromere form the basis of classification of chromosomes. Support your answer with a diagram showing the position of centromere on different types of chromosomes.

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