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Study with Quizlet and memorize flashcards containing terms like Define plasma membrane, Define prokaryotic cells, Define eukaryotic cells and more.
- Chapter 4: A Tour of the Cell Flashcards - Quizlet
2,590 solutions. Terms in this set (49) Cell theory. All...
- Chapter 4: A Tour of the Cell Flashcards - Quizlet
2,590 solutions. Terms in this set (49) Cell theory. All living things are composed of cells and all cells come from other cells. Cell membrane. A phospholipid bilayer that covers a cell's surface and acts as a barrier between the inside of a cell and the cell's environment. Prokaryotic cell.
1. Cell Wall. Found only in plant cells. Protects the cell from the outside and gives the cell its shape. 2. Plasma Cell Membrane. Found in Plant Cells and Animal Cells. This organelle controls what gets in and out of a cell. It is fluid meaning that materials can flow in and out.
Key Concepts for Ch. 4. 4.1 Biologists use microscopes and the tools of biochemistry to study cells. 4.2 Eukaryotic cells have internal membranes that compartmentalize their functions. 4.3 The eukaryotic cell’s genetic instructions are housed in the nucleus and carried out by the ribosomes.
List the four basic functional groupings of eukaryotic organelles and structures and give an example within each group. (1) Genetic control of the cell: nucleus, (2) manufacture and distribution of molecules within the cell: Golgi apparatus, (3) energy processing: mitochondria, (4) structure: plasma membrane. 9.
Chapter 4 A Tour of the Cell. 4 Multiple-Choice Questions. Which of the following statements about cells is true? A) All cells have cell walls. B) All cells have internal structures that move. C) All cells are attached to other cells. D) All cells are motile. Answer: B. Topic: 4. Skill: Knowledge/Comprehension. Light microscopes
Chapter 4 Active Reading Guide A Tour of the Cell. 1. The study of cells has been limited by their small size, and so they were not seen and described until 1665, when Robert Hooke first looked at dead cells from an oak.