Chapter 3 part 1

Chapter 3 part 1 - How do we describe movement of...

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How do we describe movement of materials into and out of cells? 9/7 How is cell volume related to surface area? What are some of the cellular shapes observed in human cells? What are organelles and what do they do for a cell? Diffusion and cell fragility Don’t forget that Mondays 20 point quiz will cover the notes up to what is covered in lecture Friday 9/7. Don’t forget that you need to bring your own scantron, professor will not provide these.
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Cells have size limits due to the strength of the plasma membrane and the demands of the metabolic reactions of the cell. Why is this clinically useful information if you have cancer?
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Which cell will have the best ability to permit diffusion of oxygen into the cytoplasm? Which would be least able to do this? What limits does the flat cell have with respect to the strength of its plasma membrane? Large round Large flat Medium sphere Medium Cube
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What shapes can a human cell have? Can you speculate on function and tissue stacking? We will see this again in CH 5!
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Some Sample Organelles Microvilli: Cilia and flagella: Nucleus vs. Ribosome: Endoplasmic Reticulum (ER)
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This note was uploaded on 04/17/2008 for the course BIOL 211 taught by Professor Wilson during the Fall '07 term at Winona.

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Chapter 3 part 1 - How do we describe movement of...

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