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Synthesizing RNA in Transcription

Transcription RNA

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#1 MrMaster4532

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Posted 31 December 2018 - 06:58 PM

Hi,

 

         I was wondering how the DNA polymerase chooses which strand of DNA to start synthesizing RNA? I know it looks for a start codon and that it makes RNA from the 3' to 5' end, but I thought start codons might be on both strands. 



#2 Trof

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Posted 02 January 2019 - 01:32 AM

There are several things very wrong about this question. So I would rather answer with additional questions.

What kind of polymerase really synthetize RNA?

You know nothing about transcription factors (both constitutive and non-constitutive)? What is their function? Where do they bind?

Do you understand well how DNA complementarity works? 
Start codon is an important site, but not for polymerases, RNAs have untranslated regions on both sites. Who does recognize the start codon really?

 

If you find answers to these questions, you may reformulate yours. Or not, because you would not need to.


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#3 MrMaster4532

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Posted 02 January 2019 - 02:27 PM

I meant the RNA polymerase



#4 MrMaster4532

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Posted 02 January 2019 - 02:35 PM

Sorry this topic was posted in the forum.



#5 Trof

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Posted 03 January 2019 - 07:39 AM

Sorry this topic was posted in the forum.

It's fine. It just belongs in this section.

Even when that was a typo, other questions still stand. You may find your answer looking for those questions.


Our country has a serious deficiency in lighthouses. I assume the main reason is that we have no sea.

I never trust anything that can't be doubted.

'Normal' is a dryer setting. - Elizabeth Moon






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