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Course: Middle school biology > Unit 1. Lesson 2: Cell parts and functions. Cell parts and their functions. Comparing animal and plant cells. Cell parts and functions. Understand: cell parts and functions. Apply: cell parts and functions.
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Test your knowledge on plant and animal cells! Skip to main content If you're seeing this message, it means we're having trouble loading external resources on our website.
An introduction to cells, including the history of their discovery and the development of cell theory.
When a plant wilts, it does so because water moves out of its cells, causing them to lose the internal pressure—called turgor pressure—that normally supports the plant. Why does water leave the cells?
Middle school biology. Course: Middle school biology > Unit 3. Lesson 2: Food and energy in organisms. Food and energy in organisms. Food and energy in organisms. Cellular respiration. Cellular respiration. Understand: food and energy in organisms. Apply: food and energy in organisms.
Course: High school biology (DEPRECATED) > Unit 2. Lesson 4: Eukaryotic cell structures. Organelles in eukaryotic cells. Eukaryotic cell structures review. Identifying eukaryotic cell structures.
Learn about cell-cell junctions and their role in cell communication and the cell cycle.
UP Class 8th Science>. From cells to organs>. Plant cells.
This unit will take you on a fascinating journey through the world of cells and organisms. You'll get an up-close look at plant and animal cells, learn about organelles, explore the organization of the human body, and gain a deeper understanding of sensory processing and the brain.