130s Classroom → 35s Sub-90 Target27-Q Biology Mock
Archetype Sub-90 Dry-Wipe Invariant (Osmosis Water Potential Gradients, Active Transport & Cube SA:V Diffusion Ratios): For a cube of side L, SA:V = 6/L (halving side length doubles SA:V). On an osmosis % mass change graph, the x-intercept (0% change) is the exact isotonic intracellular solute concentration.
sub90 ESATARCH-B-02: Osmosis Water Potential Gradients, Active Transport & Cube SA:V Diffusion RatiosBiology
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SUB-90 ZONE (<40S)
0.0s40s Sub-9090s ESAT Budget150s Classroom
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Biology•ARCH-B-02•Standard 5-Option
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