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Water technology

Campbell's Biology 9 Edition Chapter 7 Outline

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Biology
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Membrane biology
Cell Biology
diffusion
Membrane technology
Osmosis
Water technology
Tonicity
Cell membrane
Passive transport
Microtubule
Semipermeable membrane
cell

Ch.7 Notes and Lecture Date Notes Questions 10/7/15 Unless something there is something non soluble only a helper protein can help it get through Phospholipid Bilayer Endocytosis is when a cell membrane can take/release atoms. Fatty acid tails will not associate with ions Diffusion when high concentration to low concentration Active Transport Learn proteins on the membrane Proteins make membrane selectively permeable 10/8/15 Passive transport, know all forms Diffusion as well Water can pass directly though phospholipid membrane Pores allow passage for chemicals to enter the cell. Diagram, #1 Facilitated diffusion: Use of proteins on the membrane to take in and put out chemicals. Osmosis: diffusion of water through selectively permeable barrier. Diagram 2

Water Potential

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Biology
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Chemistry
Biology
Membrane biology
matter
diffusion
Cell Biology
Solutions
Water technology
Osmosis
Osmotic pressure
Water potential
Properties of water

Water Potential (?) Water potential (?) is a measure of water?s potential to do work. In order to do work, an object must be able to apply enough force to another object to cause displacement. In order for water to displace another object, water must be moving. The largest water potential any volume of water can have, if only standard atmospheric pressure is being applied to that volume of water, is defined as 0. This is the water potential for distilled water. Distilled water has the greatest potential to move, and thus displace another object.

Problems Water Potential

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Biology
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Biology
Cell Biology
Membrane biology
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diffusion
Water technology
Osmosis
Turgor pressure
Tonicity
Water potential
Osmotic pressure
Molecular diffusion
health
Technology

Practice Problems ? Osmosis and Water potential Use this key to answer all the problems below. If you choose B or C, rewrite the statement so that it is complete and true. A = TRUE B = FALSE C = NOT ENOUGH INFORMATION PROBLEM ONE: The initial molar concentration of the cytoplasm inside a cell is 2M and the cell is placed in a solution with a concentration of 2.5M. Initially, free energy is greater inside the cell than outside It is possible that this cell is already in equilibrium with its surroundings. Initially, solute concentration is greater outside the cell than inside. Water will enter the cell because solute potential is lower inside the cell than outside.

Cellular Transportation Overview

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Biology
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Biology
diffusion
Membrane biology
Transport phenomena
Water technology
Cell Biology
Osmosis
Tonicity
Passive transport
Reverse osmosis
Active transport
Molecular diffusion
health
Technology

Cellular Transportation Josey Nelson Introduction Helps in maintaining homeostasis Two types: Passive Transportation No energy required Two main types High to low concentration Active Transportation Uses ATP for transportation Low to high concentration Diffusion The movement of particles from high concentration to low concentration Purpose: to reach equilibrium Osmosis is diffusion of water 3 major types Diffusion of ions Diffusion of molecules Osmosis (diffusion of water) Facilitated Diffusion Uses proteins to transport ions and molecules High to low concentration Requires Carrier Proteins No ATP (energy) Types of Solutions Hypotonic: a solution that contains higher water concentrations in solution
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