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BIO NMDCAT Biological Importance of Water
nmdcat.online June 27, 2026

The high latent heat of fusion of water ensures that

A. A large amount of heat must be removed to convert liquid water to ice, protecting organisms from rapid freezing
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B. Ice melts instantly upon contact with any biological surface
C. The temperature of ice is always exactly 0°C regardless of the environment
D. Water boils at a very low temperature compared to other liquids

📝 Explanation

The latent heat of fusion is the heat energy released when water freezes. Because this value is high for water, the freezing process releases heat, slowing the rate of ice crystal formation. This protects cell contents from lethal intracellular freezing in organisms exposed to sub-zero temperatures.

📖 Additional Information

  • A large amount of heat must be removed to convert liquid water to ice, protecting organisms from rapid freezing
  • Ice melts instantly upon contact with any biological surface
  • The temperature of ice is always exactly 0°C regardless of the environment
  • Water boils at a very low temperature compared to other liquids

The latent heat of fusion is the heat energy released when water freezes. Because this value is high for water, the freezing process releases heat, slowing the rate of ice crystal formation. This protects cell contents from lethal intracellular freezing in organisms exposed to sub-zero temperatures.

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