Who proposed the cell theory?

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(A) The cell theory was proposed by Matthias Schleiden and Theodor Schwann. In $1838$, Matthias Schleiden, a German botanist, examined a large number

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Schleiden and Schwann

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(A) The cell theory was proposed by Matthias Schleiden and Theodor Schwann. In $1838$, Matthias Schleiden, a German botanist, examined a large number of plants and observed that all plants are composed of different kinds of cells which form the tissues of the plant. At about the same time, in $1839$, Theodor Schwann, a British zoologist, studied different types of animal cells and reported that cells had a thin outer layer which is today known as the '$plasma membrane$'. He also concluded, based on his studies on plant tissues, that the presence of a cell wall is a unique character of the plant cells. On the basis of this, Schwann proposed the hypothesis that the bodies of animals and plants are composed of cells and products of cells.

Similar Questions

Assertion $A$: Every cell is a wonderful marvel of the world. Reason $R$: $A$ cell takes in nutrients,converts them into energy,and performs specialized functions. Which option is correct for Assertion $A$ and Reason $R$?

Which scientist discovered the cell?

Which scientist proposed that the presence of a cell wall is a unique character of plant cells?

The cell theory proposed by $Schleiden$ and $Schwann$ failed to explain how new cells are formed. Who modified this theory and gave it its final shape?

$S -$ Assertion: The cell is the structural and functional unit of life.
$R -$ Reason: All living organisms are composed of cells.

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