Dlaczego antarktyczne ryby nie zamarzają w wodzie?

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Jest to skutek działania wytwarzanej w organizmach tych ryb glikoproteiny. Substancja ta zapobiega tworzeniu się kryształków lodu w komórkach ryb antarktycznych, a w efekcie zapobiega zamarzaniu tkanek, dzięki czemu ryby mogą swobodnie poruszać się w lodowatej wodzie.

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