Question

100 marks
what is a cell (❎ biology)
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Answer 1

Answer:

Explanation:

Hey !

Cell is the smallest and structural unit of life.

It is a basic unit of life.

Cells have cytoplasm ,cell membrane etc in them.

Answer 2

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Cell

cell is the structural and fundamental unit of life.

Cell was first discovered by Robert hooke in 1665. He observed the cells in Cork slice with the help of a primitive microscope. Later on many other scientists further discovered living cells.

Cell theory :

All the plants and animals are composed of cells and that the cell is the basic unit of life, This theory is called cell theory.

Composition of cell :

Every single cell is composed of plasma membrane nucleus and cytoplasm.

⏩Cytoplasm - The cytoplasm is the fluid content inside the plasma membrane. It contains specialised cell organelles.

⏩Nucleus - nucleus is the central unit of a cell. It Has doubled layered covering called nuclear membrane.

⏩Plasma membrane - This is the outermost covering of the cell that separates the content of the cell from its external environment. The plasma membrane allows the entry of selectively permeable membrane.

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