'Selective permeability' diaporamas de présentation

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Chapter 3 Cytoplasmic Organelles and the Nucleus

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The Cell Membrane

The Cell Membrane. What is the cell membrane?. AKA: Plasma membrane The boundary between the cell and the environment Does every cell have a cell membrane? Yes, Each and every cell has a cell membrane. Cell membranes help maintain homeostasis, what is that?. Cells breathing

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Membrane potential

Membrane potential. definition. It is the difference in electrical potential between the two sides of the membrane surface under resting conditions. The inside is negative relative to the outside of the membrane (polarized state). Measuring cell membrane potential.

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Cell Membrane and Fluid Mosaic Model

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CHAPTER 5 THE STRUCTURE AND FUNCTION OF MACROMOLECULES

CHAPTER 5 THE STRUCTURE AND FUNCTION OF MACROMOLECULES. CHAPTER 8 MEMBRANE STUCTURE AND FUNCTION. How things get into and out of the cell. The plasma membrane separates the living cell from its nonliving surroundings. This thin barrier, 8 nm thick, controls traffic into and out of the cell.

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The Plasma Membrane

The Plasma Membrane. Section 7.2. Ticket in the Door. What are the 3 principles of cell theory? What is one main difference between prokaryotes and eukaryotes. What is the function of the plasma membrane?. The Plasma Membrane. What is its purpose?

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Cellular Biology

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Eukaryotic Cell Membrane

Eukaryotic Cell Membrane. Cell Membrane. Cell membrane : the flexible boundary of a cell (also called a plasma membrane ) It separates a cell from its surroundings . It allows nutrients to enter and waste to be removed. Cell Membrane. Homeostasis : maintaining a healthy balance

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