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This resource is a sample problem on respiration, followed by 5 questions. Here's the problem: "A scientist set up a respiration chamber as shown below. She placed a mouse in flask B. Into flasks A, C, and D, she poured distilled water mixed with the acid-base indicator phenolphthalein. In the presence of CO2, phenolphthalein turns from pink to clear. She allowed the mouse to stay in the chamber for about an hour." This resource is part of the Developing Biology course which contains units on Microscopes; Biochemistry; Cells; Cellular Transport; DNA; Photosynthesis and Respiration; Mitosis and Meiosis; Genetics; and Evolution.
This resource was reviewed using the Curriki Review rubric and received an overall Curriki Review System rating of 2, as of -0001-11-30.