Which of the following modification on mRNA is required for promoter escaping of

Question

Which of the following modification on mRNA is required for promoter escaping of eukaryotic RNAP? Select one: O a. Phosphorylation X O b. Splicing c. Capping O d. PolyA tailing The most highly conserved splice and branch site sequences recognized within the introns of human nuclear pre-mRNA by major and minor spliceosomes include which of the following? Select one: a. 5' splice site AU, 3' splice site AC, branch site A b. 5' splice site GU or AU, 3' splice site AG or AC, branch site A or G c. 5' splice site GU or AU, 3' splice site AG or AC, branch site A O d. 5' splice site GU, 3' splice site AG, branch site AX

Explanation / Answer

1. Capping on mRNA is required for promoter escaping of eukaryotic RNAP.

2. Answer would be option C. 5' splice site GU or AU, 3' splice site AG or AC, branch site A.

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