ACT Science Practice Question #1485 (Medium (29)) | Test Citadel
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ACT Science Difficulty: Medium (29)

Digital ACT Science Practice Question #1485

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A biology student recorded the rate of cellular respiration in Baker's yeast suspended in varying sucrose concentrations at 25°C: - 0% sucrose: 0.2 mL CO2/min - 2% sucrose: 1.8 mL CO2/min - 4% sucrose: 3.4 mL CO2/min - 6% sucrose: 4.8 mL CO2/min - 8% sucrose: 5.1 mL CO2/min - 10% sucrose: 5.2 mL CO2/min What happens to the rate of CO2 production as sucrose concentration increases from 6% to 10%?
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Socratic AI Engine Step-by-Step Derivation
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⚡ 15-Second Desmos Speed Hack

4.8 -> 5.1 -> 5.2 indicates leveling off.

Masterclass Solution & Distractor Trap Analysis

From 6% to 10%, CO2 rate flattens out (4.8 to 5.2 mL/min), indicating substrate saturation....

Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...

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