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The Cell

This guide delves into the fundamental unit of life: the cell. Cells are crucial to all living organisms, forming the basis for birth, growth, and all life processes. We categorize cells into two main types: Eukaryotes, which have a nucleus and organelles, and Prokaryotes, which are unicellular and lack a nucleus. Key cell components include the plasma membrane, cell wall, mitochondria, ribosomes, and nucleus, each playing vital roles. Homeostasis is essential for maintaining balance within cells, impacting nutrient and waste management.

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The Cell

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  1. The Cell Name:_______________________________ Date:_______________ Per:___________

  2. Definition/ Importance • The Cell: • Is the basic unit of all living organisms. • Importance: Cells are the foundation for all life forms. Birth, growth, development, death, and all life functions begin

  3. Eukaryote Prokaryote

  4. Types of Cells • Eukaryotes: • Have a nucleus • Have organelles • Are usually made • of many cells • Examples: • Humans, Animals, • Fungi, plants • Prokaryotes: • DO NOT have a nucleus • Are usually unicellular • (one cell). • Example: • Bacteria

  5. Cell Parts • Cell ( Plasma)Membrane: Maintains homeostasis • Cell wall : Supports and protects plant cells. • Ribosome: Makes proteins. • Mitochondria: Transforms energy. • Chloroplast: Produces food for plants. • Nucleus: Control center.

  6. Plants and Animal Cell • Plant Same Animal • Has chloroplast Eukaryotic No chloroplast • Has a cell wall No cell wall

  7. Maintaining Homeostasis Oxygen Amino acids Water • HOMEOSTASIS • Process of maintaining balance within cells. Cells Control the amount of nutrie nts, wastes, water, gases, through the cell membrane. Glucose Wastes Wastes Carbon Dioxide

  8. Vocabulary • Cell • Prokaryote • Eukaryote • Homeostasis • Plasma membrane • Organelles • Nucleus • Selective permeability • Cell theory

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