Ms. Green's biology students were studying cellular respiration. One simple organism, yeast, can be used to test the rate of fermentation using different variables. Each group mixed 2 grams of yeast with warm water and placed the mixture into one of five test tubes. The variables can be seen on the graph of student data. Test tube five held only yeast and warm water. The groups used the height of the carbon dioxide bubbles produced in a test tube to determine which group had the highest rate of fermentation. Based on the data collected, what must be added to the yeast in the test tube in order to facilitate fermentation?

Question

Madden Wiley

13 May, 00:45

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Diana Hood · Answer 1

I believe the answer is D) a food source