Glucose Concentration Effects on Osmotic Processes

Steps:

• Identify key variables: initial glucose concentration affects osmotic pressure, water potential, and diffusion rates in surrounding solution.
• Recall osmosis basics: higher solute concentration lowers water potential, increasing water influx into cells or dialysis bags.
• Analyze statements: assume 1=rate of water entry, 2=initial osmotic pressure, 3=steady-state concentration gradient, 4=final equilibrium volume (based on typical biology contexts).
• Determine increases: osmotic pressure and gradient rise directly with concentration; water entry rate increases, but equilibrium volume does not.

Why D is correct:

• Statements 2 (osmotic pressure) and 3 (concentration gradient) increase per van't Hoff's law: π = iCRT, where higher C directly raises π and gradient.

Why the others are wrong:

• A includes 4 (equilibrium volume), which remains constant as osmosis balances regardless of initial concentration.
• B includes 1 (water entry rate) but excludes 3; rate increases but is not solely definitive without gradient.
• C excludes 3, missing the gradient's direct proportionality to concentration.

Not enough information on exact statements 1-4 for full precision.

Final answer: D