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State whether the following is true or false.
Some bacteria produce proteins that nucleate ice at temperatures as warm as minus two degrees.

  • A.True
  • B.False
  • C.True only at large scales
  • D.False only at small scales

Answer: A

Certain strains carry surface proteins that mimic the ice lattice remarkably well. They are the most efficient known ice nucleators and are used commercially in snow making. Their efficiency far exceeds that of any known mineral surface.

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