Question

define cell theory ????????

Answer 1

☆ Cell is the basic, structural, fundamental & functional unit of life.

Cell was discovered by Robert hooke in 1665 by taking a slice of cork and seeing it under his self disigned microscope.

Answer 2

Two Germans M.J. Schleiden (Botanist in 1838) and Theodor Schwann (Zoologist in 1839) collectively formulated the cell theory.

And in 1855 a German physiologist, Rudolf Virchow proposed this.

He gave the phrase : "Omnis-cellula-e-cellula".

This phrase means- All cells arise from pre existing cells .

Cell theory features :

• Cell is the basic unit of structure of plants and animals both.

• It is the basic unit of function as well as the metabolic reactions take place inside the cell.

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