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Membrane 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

quiz 7

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Biology
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Membrane biology
Cell Biology
diffusion
Membrane technology
Transport proteins
Tonicity
Osmosis
Cell membrane
Na+/K+-ATPase
cell
Active transport
Semipermeable membrane

Which of the following statements is NOT true? a. Phospholipids can move laterally in a membrane but rarely move from the extracellular to the intracellular side. b. Plasma membranes are more like a fluid than a solid. c. In a plasma membrane, the hydrophobic portion is oriented to the inside of the membrane. d. Lipid molecules make the cell membrane relatively impermeable to water. e. Saturated phospholipids make a more fluid membrane.

Analyses of first AP Labs

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Biology
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Chemistry
Biology
diffusion
Membrane biology
Transport phenomena
metabolism
Membrane technology
Passive transport
Osmosis
Molecular diffusion
Enzyme
Semipermeable membrane
AP Bio Lab 2

Analyses Osmosis and Diffusion Osmosis and Diffusion are processes of passive transport. In this lab we studied the basic concepts of molecular movement in solutions. During the execution of the experiment, I became aware that molecules are in constant motion and tend to move from areas of higher concentration to those of lower concentration. Diffusion is the movement of molecules following that concentration gradient. It occurs on the diverse states of matter. Osmosis refers to the specialized diffusion of molecules of water through a selectively permeable membrane.

AP Biology: Lab 1 Example

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Biology
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Chemistry
Food and drink
Sweeteners
Membrane technology
Starch
nutrition
diffusion
Dialysis tubing
Sucrose
Dialysis
Glucose
Osmosis
health
lab
Biology

Contents Initial Mass Final Mass Mass Difference Percent of Change in Mass Average Change in Mass for Repeated Contents 0.0 M Distilled Water 7.04 8.15 +1.11 +15.76% 0.2M Sucrose 9.47 9.79 +0.32 +3.37% +2.08% 0.2M Sucrose 8.85 8.93 +0.07 +0.79% +2.08% 0.4M Sucrose 9.75 9.50 -0.25 -2.56% -2.41% 0.4M Sucrose 7.05 6.89 -0.16 -2.26% -2.41% 0.6M Sucrose 6.96 4.80 -2.16 -31.03% 0.8M Sucrose 13.50 9.50 -4.00 -29.62% 1.0M Sucrose 4.98 3.52 -1.46 -29.31% DATA Potato Core Data In Sucrose Solutions Assigned Questions Which substances are entering the bag and which are leaving the bag?

Diffusion Worksheets

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Biology
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Chemistry
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Cell Biology
Membrane biology
diffusion
Solutions
Membrane technology
Osmosis
Osmotic pressure
Tonicity
Water potential
Dialysis tubing
health

AP Biology James Pre-Lab: Diffusion and Osmosis in Model Systems In parts 1 and 2 of this lab, you will have the opportunity to investigate the processes of diffusion and osmosis in model membrane systems. You will also investigate the effect of solute concentration on water potential as it relates to living plant tissues. Objectives: At the completion of this AP laboratory, you should be able to: Describe the mechanisms of diffusion and osmosis. Describe how solute size and molar concentration affect the process of diffusion through a selectively-permeable membrane. Describe the relationship between solutions that are hypotonic, hypertonic, or isotonic. Design an experiment to demonstrate water potential.

AP Biology Diffusion and Osmosis Lab Report

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Biology
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Chemistry
Membrane technology
Sweeteners
nutrition
diffusion
Starch
Dialysis tubing
Sucrose
Osmosis
Tonicity
Dialysis
Plasmolysis
health
#AP Bio #CampbellBiology

AP BIOLOGY Diffusion and Osmosis Lab Report Lab #4 Amena Nausheenn Anum Raki Ravi Patel . Period 6/7 ? Diffusion and Osmosis Lab Report Lab #4 Ravi Patel Amena Naushin and Anum Raki Purpose:
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