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

The high specific heat capacity of water is biologically significant because it

A. Allows water to absorb large amounts of heat with a minimal rise in its own temperature, stabilizing cellular temperatures
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B. Enables water to reach boiling point rapidly for thermoregulation through sweating
C. Promotes rapid temperature fluctuations in aquatic ecosystems
D. Reduces the hydrogen bonding capacity of water molecules

📝 Explanation

Water's high specific heat (1 cal/g°C) means it absorbs considerable heat energy for a small temperature increase. This property, due to hydrogen bonding, provides thermal stability to organisms and large bodies of water, protecting protoplasm from drastic temperature shifts.

📖 Additional Information

  • Allows water to absorb large amounts of heat with a minimal rise in its own temperature, stabilizing cellular temperatures
  • Enables water to reach boiling point rapidly for thermoregulation through sweating
  • Promotes rapid temperature fluctuations in aquatic ecosystems
  • Reduces the hydrogen bonding capacity of water molecules

Water's high specific heat (1 cal/g°C) means it absorbs considerable heat energy for a small temperature increase. This property, due to hydrogen bonding, provides thermal stability to organisms and large bodies of water, protecting protoplasm from drastic temperature shifts.

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