What color was the phenol red solution for each tube after 4 hours elapsed? 
Control
Dried peas
Germinating peas
Boiled peas

Cellular respiration and fermentation lab 5 bio156

Compare cellular respiration in the dried, germinating, and boiled peas. Explain why some peas in the experiment produced carbon dioxide (CO2) while other peas did not. 

What was the final volume of each balloon after 120 minutes? (1-6 balloons)



Based on the results, what was the best source of energy (e.g., food) for the yeast? 

Based on the results, what was the worst source of energy (e.g., food) for the yeast? 

What factors (ingredients) negatively affected the growth of yeast? 
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