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Download Cell Processes notes 11/21
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Transcript
DO NOW 11/21 •Take out notebook and open to next available page. •Write: Cell Processes and get ready for notes…there’s not many! Cell Processes What do cells do? 1. Cells bring in important substances and get rid of waste substances • passive transport (diffusion or osmosis) or by active transport (using energy) • Cell membrane controls movement 2. Cells perform complex activities • Photosynthesis (plants only) chloroplasts make food • Cellular respiration (both plants and animals) mitochondria release energy from food 3. Cells divide to make more cells • Reproduction: • Asexual reproduction – mitosis • Sexual reproduction – meiosis • Growth and repair: • Mitosis in multicellular organisms Other substances and why cells need ‘em
