'Primary active transport' diaporamas de présentation

Urine Formation by the Kidneys II. Tubular Reabsorption and Secretion

Urine Formation by the Kidneys II. Tubular Reabsorption and Secretion. L3-L4-L5. Objectives. To understand the principle of Clearance and its applications To describe the mechanism of tubular reabsorption and secretion. To follow up the reabsorption of glomerular filtrate along the tubules.

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Membranes and Transport

Membranes and Transport. BIOL241 Cytology (cont.). Plasma (cell) Membranes. Structure of cell membranes Functions of cell membranes How things get in and out of cells. What is a membrane?. The structure that separates the inside of a cell from what is outside a cell

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Membrane Dynamics

Membrane Dynamics. Cell membrane structures and functions Membranes form fluid body compartments Membranes as barriers and gatekeepers How products move across membranes i.e., methods of transport Distribution of water and solutes in cells & the body Chemical and electrical imbalances

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Anticipatory Set 9-15-11

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Chapter 2 Cells

Chapter 2 Cells. Basic, living, structural and functional unit of the body compartmentalization of chemical reactions within specialized structures regulate inflow & outflow of materials use genetic material to direct cell activities Cytology = study of cellular structure

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Figure 5.1 Membrane Molecular Structure

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Chapter Eight Lipids and Proteins Are Associated in Biological Membranes

Chapter Eight Lipids and Proteins Are Associated in Biological Membranes. What is a Lipid. Lipids: a ___________________________ class of naturally occurring organic compounds classified together on the basis of common solubility properties

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Renal tubular reabsorption/Secretion

Renal tubular reabsorption/Secretion. Renal tubular reabsorption /Secretion. Excretion refers to the removal of solutes and water from the body in urine Reabsorption (movement from tubular fluid to peritubular blood) and,

1.01k views • 38 slides

Cell Membranes

Cell Membranes. Biology for Majors. Cell Membranes: The Fluid Mosaic Model. The plasma membrane is composed of a bilayer of phospholipids, with their hydrophobic, fatty acid tails in contact with each other.

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Human Anatomy and Physiology I

Human Anatomy and Physiology I. Lecture: M 6-9:30 Randall Visitor Center Lab: W 6-9:30 Swatek Anatomy Center, Centennial Complex Required Text: Marieb 9 th edition Dr. Trevor Lohman DPT (949) 246-5357 tlohman@llu.edu. The Cell. Ch. 3: The Functional Unit of Life.

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Tubular Reabsorption

Tubular Reabsorption. A transepithelial process whereby most tubule contents are returned to the blood Transported substances move through membranes . Tubular Reabsorption. All organic nutrients are reabsorbed Water and ion reabsorption is also partially hormonally controlled

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Tubular Reabsorption

Tubular Reabsorption. A transepithelial process whereby most tubule contents are returned to the blood Transported substances move through membranes . Tubular Reabsorption. All organic nutrients are reabsorbed Water and ion reabsorption is also partially hormonally controlled

905 views • 25 slides

Chapter 9 (part 3)

Chapter 9 (part 3). Membranes. Membrane transport. Membranes are selectively permeable barriers Hydrophobic uncharged small molecules can freely diffuse across membranes. Membranes are impermeable to polar and charged molecules.

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Where would you find active transport?

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Where would you find active transport?

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TRANSPORT ACROSS CELL MEMBRANE

TRANSPORT ACROSS CELL MEMBRANE. This is gonna be hard work!!. high. low. Active Transport cell does use energy Protein Pumps Endocytosis Exocytosis. Active transport. Energy is required for carriers to transfer substance uphill against a concentration gradient

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Biology I for Non-Majors

Biology I for Non-Majors. Cell Membranes. Cell Membranes are a Fluid Mosaic. Defines the boundary of the cell Determines the nature of its contact with the environment Dynamic and constantly in flux. Major Components of Cell Membranes. Made up primarily of a bilayer of phospholipids with:

278 views • 20 slides