INTRODUCTION
CELL STRUCTURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Red blood cells are placed in a beaker of pure water. Which is the most likely result of placing them in pure water?
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Water diffuses into the red blood cells by osmosis, and the cells eventually burst.
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Water diffuses out of the red blood cells by osmosis, and the cells shrink to about half their normal size.
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Water diffuses both in and out of the red blood cells, and the cells remain approximately the same size.
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Water diffuses both in and out of the red blood cells, and the cells alternately expand and shrink.
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Explanation:
Detailed explanation-1: -When placed in pure water, red blood cells would swell up due to osmosis. Osmosis is the simple diffusion of water across a membrane.
Detailed explanation-2: -Answer and Explanation: If a red blood cell were placed into a beaker of pure water, the water in the beaker would enter the red blood cell via osmosis, which would then cause the red blood cell to swell and eventually burst.
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