Cell theory - Basic properties of cells, Unicellular - Organisms made of one cell (e.g., bacteria), Multicellular - Organisms with more than one cell (e.g., humans), Cell membrane - Outer surface controlling entry/exit of substances, Cytoplasm - Jelly-like fluid inside cells holding organelles, DNA - Genetic material with cell instructions, Eukaryotic cells - ells with membrane-bound organelles, including a nucleus, Prokaryotic cells - Simple cells without membrane-bound organelles or a nucleus, Microscopes - Tools for magnifying small objects, Electron microscope - High-resolution magnification using electron beams, Light microscope - Uses light for magnification, up to 1500x, Mitochondria - Site of energy production (ATP), Ribosomes - Responsible for protein synthesis, Golgi apparatus - Processes and packages proteins/lipids, Vacuole - Stores water and nutrients, larger in plant cells, Cell wall - Structure providing support in plant, fungal, and bacterial cells, Chloroplasts - Organelles for photosynthesis in plant cells, Bacterial cells - Prokaryotic, lacking organelles but with DNA, Beneficial bacteria - Assist in processes like digestion and immunity, Scientific drawing - Proper technique for visual representation of cells,

Year 8- Cell

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