Calculate surface-area-to-volume ratios and explain why increasing size creates demands on material exchange.
Tę umiejętność sprawdzają 3 zadania wzorowane na arkuszach IB z lat 2023–2026.
A spherical cell grows while keeping its shape and the same membrane permeability. How do surface-area-to-volume ratio and exchange capacity per unit cell volume change? A. Both increase B. The ratio increases but exchange capacity per unit volume decreases C.…
A spherical cell grows while retaining its shape. What happens to its surface area, volume and surface-area-to-volume ratio? A. Area rises, volume rises, ratio falls B. Area rises, volume falls, ratio rises C. Area falls, volume rises, ratio stays constant D.…
The schematic represents an absorptive cell in the intestinal lining. Describe how the structures marked X support this cell’s function.
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