Potassium cyclic 2,3-diphosphoglycerate (cDPG) is present at concentrations of 1M or more in the cytoplasm of many hyperthermophilic methanogens. The function of this compound is to
A) prevent rRNA misfolding.
B) prevent chemical damage to DNA at high temperatures.
C) introduce supercoils into DNA.
D) activate hydrogen gas.

Question

Quizplus · Accepted Answer

Potassium cyclic 2,3-diphosphoglycerate (cDPG) functions as a potent protective agent against high temperature-induced damage to DNA by stabilizing the double-stranded DNA structure at elevated temperatures.

Potassium Cyclic 2,3-Diphosphoglycerate (CDPG) Is Present at Concentrations of 1M