A Semipermeable Membrane Sac Filled with Water and Large Molecules

question 59

Multiple Choice

A semipermeable membrane sac filled with water and large molecules of starch is suspended in a beaker of distilled water. What will happen?

• A) The starch will leave and the water will enter until both sides reach equal concentrations.
• B) Water will enter the sac and it will swell.
• C) Because the starch cannot leave, the water cannot enter.
• D) We cannot determine the outcome unless we know the tonicity of the solutions.
• E) The starch will leave the sac and it will shrink.

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Americans With Disabilities Act

U.S. civil rights law that prohibits discrimination against individuals with disabilities in all areas of public life, including jobs, schools, transportation, and all public and private places that are open to the general public.

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The Americans with Disabilities Act, a civil rights law that prohibits discrimination based on disability.

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