6 Allow the bags to sit for one hour BI205 Introductory Biology II Week 4 Lab

6 allow the bags to sit for one hour bi205

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6. Allow the bags to sit for one hour.
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BI205: Introductory Biology II Week 4 Lab Page 6 of 8 7.Using the examples provided in the “BI20x Hypotheses & Predictions Guide” available in Canvas, develop a hypothesis for your experiment. Include your hypothesis, along with supporting scientific reasoning in the space below. 8.Using the examples provided in the “BI20x Hypotheses & Predictions Guide” available in Canvas, develop predictions for whether water will flow into or out of each dialysis bag. 9.Now that treatments have soaked for an hour, re-measure the weights of each dialysis bag using the digital scale. Record your measurements in the following table. 10. Calculate the change in weight for each bag. If the weight of the bag increased during the experiment, put a “+” symbol in front of the number. If the weight of the bag decreased during the experiment, put a “-“ symbol in front of the number. Record your calculations in the following table. Treatment Band Color WEIGHT CHANGE 3% sucrose Yellow - 0.01 15% sucrose Red + 0.03 30% sucrose Blue 0 Sugar free pop Green -0.02 Regular pop White +0.01 You are now done with the experiment. Proceed to Part III where you will demonstrate what you have learned by answering a series of related questions.
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BI205: Introductory Biology II Week 4 Lab Page 7 of 8 Part III: Lessons Learned 1.In this experiment, what was the independent variable? The dependent variable? Refer to your Week 4 readings in the Writing for Biologytext for clarification.
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  • Spring '17
  • Andrew Bouwma
  • Osmosis, Introductory Biology II

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