ACT Science Practice Question #1851 (Hard (500)) | Test Citadel
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ACT Science Difficulty: Hard (500)

Digital ACT Science Practice Question #1851

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Based on Table 33, under anaerobic conditions, yeast produced substantially greater quantities of: Experiment Context (Metabolic Byproducts of Saccharomyces cerevisiae): Yeast cultures were supplied with 5% glucose solutions under aerobic conditions (sparged with air) versus anaerobic conditions (sparged with nitrogen gas) for 4 hours at 30°C: Table 33: - Condition 1 (Aerobic): Glucose Consumed = 12.4 g; Ethanol Produced = 0.2 g; CO2 Produced = 18.2 g; ATP Yield = ~32 ATP/glucose - Condition 2 (Anaerobic): Glucose Consumed = 48.6 g; Ethanol Produced = 24.1 g; CO2 Produced = 23.5 g; ATP Yield = 2 ATP/glucose
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Anaerobic conditions yield high ethanol.

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Anaerobic fermentation produces ethanol (24.1 g vs 0.2 g)....

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