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lisa142 lisa142
wrote...
14 years ago


1) capping occurs at 5' end of the mRNA. <- is this correct?
2) The nucleoside added is _________.
3) The nucleoside is connected to the mRNA through a : phosphate , diphosphate or triphosphate linkage.
4) The added nucleoside is modified by methylation at : nitrogen or oxygen atom?
5) The mRNA is modified by methylation of
-ribose residues at the 3'-hydroxyl position
-ribose residues at the 2' hydroxyl postion
-a purine ring at a ring nitrogen.
-a pyrimidine ring at a ring nitrogen.
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wrote...
#1
Educator
14 years ago
Hey Lisa,

1) capping occurs at 5' end of the mRNA. <- is this correct?

YES

2) The nucleoside added is _________.

Guanine

3) The nucleoside is connected to the mRNA through a : phosphate , diphosphate or triphosphate linkage.

4) The added nucleoside is modified by methylation at : nitrogen or oxygen atom?

5) The mRNA is modified by methylation of
-ribose residues at the 3'-hydroxyl position
-ribose residues at the 2' hydroxyl postion
-a purine ring at a ring nitrogen.
-a pyrimidine ring at a ring nitrogen.

One of those, not sure which. Sad Dummy

Good luck!
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