[Campbell Biology P.1233] According to the 'Temperature' section, which two specific physiolo... | Practice Question

According to the 'Temperature' section, which two specific physiological effects can extreme temperatures have on organisms?

  • A: Cell dehydration above 45°C and increased metabolic rate below 0°C.
  • B: Reduced enzyme activity above 45°C and DNA mutations below 0°C.
  • C: Cell rupture if water freezes below 0°C and protein denaturation above 45°C.
  • D: Increased fat storage above 45°C and decreased oxygen absorption below 0°C.

Explanation

The 'Temperature' section explicitly states: 'Cells may rupture if the water they contain freezes at temperatures below 0°C , and the proteins of most organisms denature at temperatures above 45°C.'