Life Science MISA Practice Questions - Maryland Integrated Science Assessment - Life Science Exam

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A student places a synthetic cell model made of a semi-permeable membrane containing a 10% sucrose solution into a beaker containing a 2% sucrose solution. The membrane is permeable to water but impermeable to sucrose. Which phenomenon will be observed after 60 minutes?

Sucrose molecules will diffuse out of the cell model until equilibrium is reached. Water molecules will enter the cell model, causing its volume and mass to increase. Water molecules will exit the cell model, causing it to shrink and decrease in mass. Solute and solvent particles will stop moving entirely across the membrane.

Correct Answer:

Water molecules will enter the cell model, causing its volume and mass to increase.

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