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Organelles
Function and Structure of Organelles
Question | Answer |
---|---|
Tough but flexible; made of cellulose; provides shape and support for plant cells | Cell Wall |
Separates cell from its environment; provides support; regulates substances entering and exiting cell | Cell Membrane |
Large oval structure that contains chromosomes and nucleolus; control center; directs cell's activities | Nucleus |
Dark round structure; produces ribosomes; found inside nucleus | Nucleolus |
Thin strands containing genetic material; contains instructions for cell | Chromosomes |
Large green structure; contains chlorophyll, site of photosynthesis; plant cells only | Chloroplast |
Rod-shaped with interior folds; site of energy production | Mitochondrion |
Grain-like bodies; attached to E.R, some free-floating in cytoplasm; makes proteins | Ribosomes |
Maze of passageways; transports proteins | Endoplasmic Reticulum |
Flatten collection of sacs and tubes; changes and ships proteins throughout the cell | Golgi Apparatus |
Round sacs; stores water, food, and waste; small in animal cells, large in plant cells | Vacuole |
Small round structures that contain digestive enzymes; breaks down old organelles, protects cell from foreign invaders | Lysosome |