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Transcript
Cell Structure and Function Cells Prokaryotic Eukaryotic Nucleus Smaller Cell membrane Cytoplasm Bacteria Genetic material Membranebound organelles Plants Animals Larger Cell Organelle Activity • Assemble into teams. • Try to correctly identify each organelle on the following slides. • Team with the most correct answers will receive FIVE extra credit points. 3 Cell Membrane • Thin flexible barrier around a cell • Regulates what goes in and out of cell • Phospholipid bilayer Ribosome • Small particle – One of the most important in the cell • Proteins are assembled here • Made of RNA and protein Cytoplasm • The material inside the cell • Fills the cell Nucleolus • Large structure that contains cell’s genetic material (______) • Controls what the cell does Nucleolus • Small region within the nucleus • The ribosomes are put together here Nuclear membrane/ envelope • Double membrane layer, surrounds the nucleus of the cell Rough ER • Site where components of the cell membrane are assembled and proteins are modified • Covered with ribosomes Smooth ER • Storage organelle • Contains enzymes that preform specialized tasks (such as make lipids) Golgi apparatus • Proteins from the rough ER move here. • Enzymes in here attach carbohydrates and lipids. • Sent on their way to their final destination. – Packaging organelle Vesicle • Bubble like membrane • Stores and transports cellular products • Digests metabolic wastes within cell Vacuole • Storage bubble – Water, salts, proteins, and carbs. – Source of structural support in plants. Lysosome • Filled with enzymes that digest food • Breaks down cell when it dies Mitochondria • “Powerhouse” of cell • Uses energy from food to produce _____ • Creates cell energy during cellular respiration. Chloroplast • Food producer of plants. • Uses energy from sunlight to make ___________ Flagellum • Tail like feature used for movement Cilia • Short hairlike feature that is similar flagellum. • Used for movement Cytoskeleton • Protein filaments within some cells • Helps maintain shape. • Involved in many forms of cell movement Centriole • Made of microtubules • Attach to mitotic spindle • Used in mitosis (cell division) Cell Wall • Forms around the outside of cells of plants, algae, and some bacteria • Used for structure and protection.