Cameroon GCE O-Level Human Biology Practice Questions - Cameroon General Certificate Of Education Ordinary Level Human Biology (Subject Code 0565) Exam

What happens to human red blood cells when they are placed in a hypotonic solution such as pure distilled water?

They lose water by osmosis and shrink (crenation) They absorb water by osmosis, swell, and burst (hemolysis) They remain unchanged because the cell membrane is impermeable to water They divide rapidly by binary fission to balance the osmotic pressure

Correct Answer:

They absorb water by osmosis, swell, and burst (hemolysis)

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