Cell Structure

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Cell Structure Answer Key Vocabulary: cell membrane, cell wall, centriole, chloroplast, cytoplasm, endoplasmic reticulum, Golgi apparatus, lysosome, mitochondria, nuclear membrane, nucleolus, nucleu... s, organelle, plastid, ribosome, vacuole, vesicle Prior Knowledge Questions (Do these BEFORE using the Gizmo.) [Note: The purpose of these questions is to activate prior knowledge and get students thinking. Students are not expected to know the answers to the Prior Knowledge Questions.] 1. What are some of the structures inside a cell that help it to live and perform its role in an organism? Answers will vary. [Students may be aware of the nucleus and plasma membrane.] 2. How do you think plant cells differ from animal cells? (Hint: What can plants do that animals cannot?) Answers will vary. [Students may note that plants can produce energy from sunlight, so they must need some kind of structure for doing this.] Gizmo Warm-up The Cell Structure Gizmo™ allows you to look at typical animal and plant cells under a microscope. On the ANIMAL CELL tab, click Sample to take a sample of an animal cell. Use the Zoom slider to see the cell at a magnification of 2000x (2000 times larger than normal). On the dropdown menu, select Centrioles. 1. Use the up/down and left/right sliders to manipulate the cell. Find the red arrow pointing to the centrioles. Make a sketch of the centrioles in the space below [Show More]

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