Two Aqueous Solutions Are Separated by a Selectively Permeable Membrane

question 1

Multiple Choice

Two aqueous solutions are separated by a selectively permeable membrane that allows water to pass through but does not allow starch to pass through. Solution A is 10% starch and solution B is 5% starch. What will occur?

• A) Water will diffuse from solution A to solution B.
• B) Both water and starch will diffuse from solution B to solution A.
• C) Starch will diffuse from solution A to solution B.
• D) Water will diffuse from solution B to solution A.
• E) Starch will diffuse from solution B to solution A.

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Definitions:

Thoracic Vertebrae

The twelve vertebrae situated between the cervical (neck) and lumbar (lower back) regions, which make up the midsection of the vertebral column.

Sternum

The long, flat bone located in the center of the chest, connecting with the ribs.

Vertebrae

The series of small bones forming the backbone, providing support and protection for the spinal cord.

Sternum

The long flat bone located in the center of the chest, connected to the rib bones, and helps protect the heart and lungs.