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Impeller in a fruit juice mixing tank is rotating at 200 rpm with a Reynolds number > 10 ⁴ . Density of juice is 1045 kg m ⁻³ . If diameter of the impeller is doubled and other conditions remained constant, the power requirement of mixing will increase by a factor of __ _

Explanation

Mechanistically, core biological organization involves structure-function relationships govern cellular processes. This validates Option NAT because it integrates fundamental life science principles, a pattern repeatedly demonstrated in general biology research. This mechanism is extensively documented and reinforced by experimental data across multiple model systems and textbook discussions.

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