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Biology, 06.04.2021 03:10, milkshakegrande101
Testing Yeast Respiration
In this activity, you will test the ability of yeast to respire under different conditions.
Estimated time to complete: 2 hours
Part A: Hypothesis
Jared, a student, is working on an experiment. He plans to measure the amount of carbon dioxide, or CO2, that yeast produces when it is fermented in five different glasses with the following contents:
Glass A: yeast and lukewarm water
Glass B: yeast, sugar, and lukewarm water
Glass C: yeast, sugar, and hot water
Glass D: yeast, sugar, and cold water
Glass E: yeast, sugar, and lukewarm water (covered with plastic wrap)
Question 1
Question
During the experiment, Jared will use a ruler to measure the amount of foam bubbles that form in each glass. The height of the foam can be used to indicate the amount of carbon dioxide produced.
Select the correct answer from each drop-down menu to describe why Jared is measuring the amount of foam in each glass.
The formation of foam is evidence that is taking place because is a product of .
Question 2
Do you think the amount of foam in the glasses will differ? Write down your prediction.
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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Testing Yeast Respiration
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