Can someone explain this...

Started by bryan45876
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bryan45876

bryan45876

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The sequence of a piece of DNA has been determined to be 5'ACCAAACCGAGT3'. What is the transcribed mRNA of this sequence?

The answer is: 3'UGGUUUGGCUCA5'

I'm getting confused why the 'A' becomes 'U' while the 'T' becomes an 'A'.
I couldn't find this in the Kaplan book.
Thanks.
 
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bryan45876 said:
The sequence of a piece of DNA has been determined to be 5'ACCAAACCGAGT3'. What is the transcribed mRNA of this sequence?

The answer is: 3'UGGUUUGGCUCA5'

I'm getting confused why the 'A' becomes 'U' while the 'T' becomes an 'A'.
I couldn't find this in the Kaplan book.
Thanks.
Click to expand...
RNA sequences dont contain Thymine --> they contain Uracil -- hence in DNA sequences you will fine A linked with T while a DNA-RNA transcript will have A linked with U
 
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