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Dialysis tubing

AP Biology: Lab 1 Example

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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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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 2

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AP BIOLOGY Diffusion and Osmosis Lab Report Lily Gao Block 2 Diffusion and Osmosis Lab Report Lily Gao I. Introduction II. Materials and Methods Materials needed: Lab 1A: Celery stick soaked in water, celery stick soaked in saltwater, dry celery stick (not soaked in anything) Lab 1B: 3 Phenolphthalein agar cubes: 3x3x3 cm, 2x2x2 cm, and 1x1x1 cm, 1 plastic cup, ruler (6? metric system), white vinegar(100mL), and timer Lab 2A: balance, graduated cylinder, 5 disposable beakers (1000mL), 7 ft dialysis tubing (20 cm), 250 mL 1M sucrose solution, 250 mL 1M sodium chloride (Salt), 250 mL 1M glucose solution, 250 mL 5% albumin solution (protein), and 500 mL of distilled or tap water Lab 3A:

AP Biology Diffusion and Osmosis Lab Report

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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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