Hyperthermophilic Archaea generally have a lower GC ratio in their genomic DNA than in their ribosomal RNA.

Question

Quizplus · Accepted Answer

This statement is true. Hyperthermophilic Archaea, which are known for thriving in extremely hot environments, have adapted to conserve energy by having a lower GC content in their genomic DNA. However, their ribosomal RNA has a higher GC content because it is needed for stability at high temperatures.

Hyperthermophilic Archaea Generally Have a Lower GC Ratio in Their