Category: knowledge

BIOTECHNOLOGY

BIOTECHNOLOGY Mendel’s work was rediscovered in 1900, geneticists DNA technology. By inning in the mid 1970s, a revolution have made starting advances which led to ….

CURRENT ELECTRICITY

CURRENT ELECTRICITY (1) In static electricity electrons donot move, but in current electricity electrons flow in a wire of certain material from one end to ….

CELL

CELL The cell is the smallest fundamental and structural unit of living organisms. It is a small piece of protoplasm covered by a protective layer ….

TISSUE CULTURE

TISSUE CULTURE Tissue culture is the growth of a tissue in an artificial liquid culture medium. In 1902 German botanist Haberlandt speculated entire plant could ….