Question

RNA World hypothesis

29 Jan 2026
Answer :
Word Count : 289
The RNA World hypothesis proposes that early life on Earth was based primarily on ribonucleic acid (RNA), which functioned both as genetic material and as a catalyst for chemical reactions. According to this hypothesis, RNA existed before the evolution of DNA and proteins and played a central role in the origin and early evolution of life. RNA molecules are capable of storing genetic information like DNA and can also fold into complex three-dimensional structures that
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