Class notes Science
Overview Class 9 CBSE Fundamental Unit Of Life Notes for Science ExamThe cell is the basic structural and functional unit of life, discovered by Robert Hooke in 1665. All living organisms are made of cells, which arise from pre-existing cells. Cells are categorized into Prokaryotic (no defined nucleus) and Eukaryotic (defined nucleus), containing organelles like mitochondria (powerhouse), Golgi apparatus (packaging), and Lysosomes (suicide bags).
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