Which of the Following Reactions Suggests the Plausibility for RNA

question 63

Multiple Choice

Which of the following reactions suggests the plausibility for RNA chromosome replication in the RNA World model?

• A) Compared to DNA, synthesis and degradation of RNA require less energy.
• B) Uracil, a pyrimidine in RNA, is the precursor of thymine, used in the synthesis of DNA.
• C) Some ribozymes splice introns in mRNA.
• D) Some ribozymes catalyze synthesis of complementary strands of RNA.
• E) Peptide bond formation is catalyzed by ribosomal RNA.

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