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

question 24

Multiple Choice

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.

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