'Hypotonic solution' diaporamas de présentation

5 The Integumentary System

5 The Integumentary System. An Introduction to the Integumentary System. Learning Outcomes 5-1 Describe the main structural features of the epidermis, and explain the functional significance of each. An Introduction to the Integumentary System. Learning Outcomes

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Chapter 4

Chapter 4. The Cell and Its Environment Standard 3: Students know and understand the characteristics and structure of living things, the processes of life, and how living things interact with each other and the environment. Introduction to the Cell.

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Cell Membrane Transport Notes

Cell Membrane Transport Notes. April 1, 2014. I.) Types of Cell Membrane Transport. There are 2 types of cell membrane transport: Passive Transport Things flow from High to low Active Transport Things flow from Low to high. Passive & Active Transport. II.) Passive Transport.

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Colligative Properties of Solutions

Colligative Properties of Solutions. Step 1 Breaking up the solute into individual components (expanding the solute) Step 2 Overcoming the intermolecular forces in the solvent to make room for the solute (expanding the solvent) Step 3

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Human Metaphase Chromosomes

Human Metaphase Chromosomes. Experiment Objectives. Preparing, staining and observing human metaphase chromosomes. Chromosome Morphology. Chromosomes are not visible under the light microscope in non-dividing cells (interphase cells).

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Part 1

Part 1. Cell Membrane and Transport. What is an Isotonic Solution? . [Water] inside cell = [Water] outside cell Cell is at equilibrium Molecules are equally distributed in end The amount of water entering the cell = the amount of water leaving the cell. 95% water. 95% water.

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Cell Membrane Transport

Cell Membrane Transport. Cell Membrane Transport. 1- Factors affecting transport - cell membrane - Chemical gradient - Electrical gradient - Rate of transport 2- Passive transport - Diffusion - Osmosis - Facilitated diffusion 3- Active transport - Pumps

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Liposomal carriers as possible therapeutic vesicles : a morpho-functional investigation

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Agenda

Agenda. Attendance Quiz Review New stuff on Tonicity Be Tonicity Practice, Practice, Practice. Review. Exocytosis. Endocytosis. During endocytosis , cells take in substances by invaginating a portion of the plasma membrane, and forming a vesicle around the substance.

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This work was supported by UCLA Center for AIDS Research (CFAR) NIH/NIAID AI028697

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Diffusion and Osmosis

Diffusion and Osmosis. Lab Results. Starch solution in the baggie . What does the baggie represent?. Solution with water and Iodine . After the starch baggie has been sitting in in Iodine and water!. No Salt!. No Salt!. After NaCl or saline solution has been added.

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THE CELL IN ACTION!

THE CELL IN ACTION!. Factors Affecting Diffusion & Osmosis - In groups of 3, half the class will conduct factors affecting diffusion lab while the others are working on osmosis. Passive Transport.

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Patterns in Nature

Patterns in Nature . Diffusion and Osmosis. The processes of diffusion and osmosis account for much of the passive movement of molecules at the cellular level. DIFFUSION. OSMOSIS. MOVEMENT OF MOLECULES IN SOLUTION. Concentration gradient.

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Effect of Adding Saline Solution to the Extracellular Fluid

Some of the different factors that can cause extracellular and intracellular volumes to change markedly are ingestion of water dehydration intravenous infusion of different types of solutions, loss of large amounts of fluid from the gastrointestinal tract

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Diffusion and Osmosis in plant and animal cells

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Transport in plants

Transport in plants. Grade 8 biology. Diffusion . A type of passive transport(not requiring energy) involving the movement of particles from an area of higher concentration to an area of lower concentration. Diffusion is spontaneous and automatic. Osmosis.

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Osmosis in a Chicken Egg

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Does Molarity of NACL( aq ) effect the rate of osmosis?

Does Molarity of NACL( aq ) effect the rate of osmosis?. By Don Nguyen, Erik Wislinsky, Clint Beckner, Ryan Brophy, and Jason West. Purpose. The purpose of this experiment is to test if the molarity of different NaCl(aq) solutions effect the rate of osmosis in a potato core.

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3. Endocytosis : taking material into the cell using part of the cell membrane.

Happy Monday! Science Fact of the Day: The female Tarantula Hawk wasp paralyzes a large spider with her sting. She then lays her eggs on the motionless body so that her developing young have a fresh supply of spider meat to feed on.

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