the fundamental unit of life- cell notes
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the theory that all the plant and animals are composed of the cells and the cells are the basic unit of life .
Explanation:
The cell was presented by two biologists Schleiden and Schwann . The cell theory was expand by virchow by suggesting that all cells arise from pre - existing cells .
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Cells are the basic structural and functional unit of life. Cell was discovered by Robert Hooke. A number of cells can work together to form tissues and organs. Cellular respiration is the process by which the food releases energy in the mitochondria. Cells absorb glucose from the food and burn it to produce energy. Two types of cell; Prokaryotic and Eukaryotic cells. Prokaryotic cells are primitive and lack well defined nucleus. Eukaryotic cells are more advanced and have well defined nucleus.
Eukaryotic cells have the most well defined structure. These cells have cell membrane, membrane bound cell organelles and a well defined nucleus. The nucleus has its own membrane called nuclear membrane.
1.Cell membrane is the outer covering of a cell.
2.It is made up of phospho-lipid bilayer membrane.
3.It is selectively permeable in nature.
4.The structure of a cell membrane is best described by the fluid mosaic model.
Eukaryotic cells have the most well defined structure. These cells have cell membrane, membrane bound cell organelles and a well defined nucleus. The nucleus has its own membrane called nuclear membrane.
1.Cell membrane is the outer covering of a cell.
2.It is made up of phospho-lipid bilayer membrane.
3.It is selectively permeable in nature.
4.The structure of a cell membrane is best described by the fluid mosaic model.
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