Five Dialysis Bags, Constructed of a Type of Membrane That

question 21

Multiple Choice

Five dialysis bags, constructed of a type of membrane that is permeable to water and impermeable to sucrose, were filled with various concentrations of sucrose and then placed in separate beakers containing an initial concentration of 0.6 M sucrose solution. At 10-minute intervals, the bags were massed (weighed) , and the percent change in mass of each bag was graphed. Which line in the graph represents the bag with the highest initial concentration of sucrose?

• A) A
• B) B
• C) C
• D) D
• E) E

---

Definitions:

Acupuncture

A traditional Chinese medicine technique involving the insertion of very thin needles through the skin at strategic points on the body, commonly used for pain relief.

Brain Changes

Alterations in the structure, function, or chemistry of the brain, which may occur due to development, aging, disease, or environmental influences.

Pain Relief

Methods or treatments used to reduce or alleviate discomfort and pain in individuals.

Chemotherapy

A type of cancer treatment using drugs to destroy cancer cells, often by stopping the cancer cells’ ability to grow and divide.