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Biology, 14.04.2021 01:00 Kinglilray998

To perform the experiment, Jared will follow these instructions: Put one or two ice cubes in one cup of water. Chill the cup of water in the refrigerator for 1 to 2 hours. Remove any remaining ice when taking the water out of the refrigerator. This cup holds the ice-cold water.
Heat up three cups of water in the microwave for 15 to 20 seconds until they reach 100°F on the thermometer. If the water is too hot, wait until the temperature drops to 100°F. These cups hold the lukewarm water.
Heat the last cup of water in the microwave until it reaches 212°F. This cup holds the boiling water.
Line up five glasses an label them A, B, C, D, and E. Then put the following contents in each glass:
Glass Contents
A 1 cup lukewarm water
B 1 cup lukewarm water and 1 tablespoon sugar
C 1 cup boiling water and 1 tablespoon sugar
D 1 cup ice-cold water and 1 tablespoon sugar
E 1 cup lukewarm water and 1 tablespoon sugar (this one will be covered with plastic wrap)
Use the spoon to stir the contents in glasses B, C, D, and E until the sugar dissolves. Then immediately add a packet of yeast to each glass. Wash the spoon and stir in the yeast. Cover the top of glass E tightly with plastic wrap.
Wait 15 minutes. Then measure the foam level in each glass in centimeters, as shown in the image.

glass of water containing yeast with foam on the top

Take measurements of the foam level every 15 minutes for 60 minutes. Record the measurements in a table.
Yeast can perform both anaerobic and aerobic respiration. Does the experiment demonstrate this fact? Explain your reasoning.

Yeast can perform both anaerobic and aerobic respiration. Does the experiment demonstrate this fact? Explain your reasoning. plss help

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