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If nitrogenous bases (A, G, C, T or U) could polymerize to chains of nucleotides, could this eventually form the structure shown in the figure above? Would an RNA structure that can act as an enzyme, such as the one shown above, have been the result of chemical evolution with competition between replicating RNA molecules?  Or was it likely the first RNA molecule that arose from a chain of nitrogenous bases could immediately act as an enzyme?

If nitrogenous bases (A, G, C, T or U) could polymerize to chains of nucleotides, could this eventually form the structure shown in the figure above? Would an RNA structure that can act as an enzyme, such as the one shown above, have been the result of chemical evolution with competition between replicating RNA molecules?  Or was it likely the first RNA molecule that arose from a chain of nitrogenous bases could immediately act as an enzyme?

Understanding Health Insurance: A Guide to Billing and Reimbursement
Understanding Health Insurance: A Guide to Billing and Reimbursement
14th Edition
ISBN:9781337679480
Author:GREEN
Publisher:GREEN
Chapter6: Icd-10-cm Coding
Section: Chapter Questions
Problem 209R
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If nitrogenous bases (A, G, C, T or U) could polymerize to chains of nucleotides, could this eventually form the structure shown in the figure above? Would an RNA structure that can act as an enzyme, such as the one shown above, have been the result of chemical evolution with competition between replicating RNA molecules?  Or was it likely the first RNA molecule that arose from a chain of nitrogenous bases could immediately act as an enzyme?

ACAGAACCUUAAUGC G-C A-U A-U C-G A-U C-G A A A A 3' G A pppG – C A A Substrate HOA -Ủ U-A A-U U-A C-G A-U C-G T-A U-A U-A G-C A-U G-C A-U A C-G C-G A-U G A C-G G-C A-U G-C G-C G-C T-A C-G C-G CA C-G A-U U-A C-G U G U C C-G G-C G•U G-C A A GGCAG CĊĠUG A 5' AAGACAAAU EVOLUTION 4e, Figure 17.2 2017 Sinauer Associates, Inc. CIGIAIGIAIUIUIC
Transcribed Image Text:ACAGAACCUUAAUGC G-C A-U A-U C-G A-U C-G A A A A 3' G A pppG – C A A Substrate HOA -Ủ U-A A-U U-A C-G A-U C-G T-A U-A U-A G-C A-U G-C A-U A C-G C-G A-U G A C-G G-C A-U G-C G-C G-C T-A C-G C-G CA C-G A-U U-A C-G U G U C C-G G-C G•U G-C A A GGCAG CĊĠUG A 5' AAGACAAAU EVOLUTION 4e, Figure 17.2 2017 Sinauer Associates, Inc. CIGIAIGIAIUIUIC
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