This is the base sequence from one strand of DNA
TACAAGGTCCCTGAGATAGGATACTTTCCGATACGG
write the mRNA sequence which would be transcribed, complementary to this DNA strand
thanks for any help, I cant remember how to do this :/
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Answers & Comments
Verified answer
Just use the opposite base.
In DNA - A bonds with T, and C bonds with G.
In RNA - A bonds with U (which replaces T), and C bonds with G.
So for example the first bit of the sequence would look like this:
DNA: TACAAGGTCCCT
RNA: AUGUUCCAGGGA
Correct answer:
5'-CCGUAU CGGAAAGUAU CCUAUCUCA GGGACCUUGUA-3'
(spaces added so that Yahoo Answers would not truncate it)
Evil question. The correct answer will almost certainly be marked wrong.
Tell your teacher to specify the 3' and 5' ends of the DNA strand, so you can unambiguously answer the question the way he wants it answered.
Then kick your teacher for me, for not having taught you directionality of DNA. A good welt on the shin should remind him in future years to teach his future students correctly.
1. Base pairing rules
(DNA).......(RNA)
A pairs with U
T pairs with A
C pairs with G
G pairs with C
2. Directionality.
Unless otherwise specified, a single strand of DNA or mRNA is assumed to be written 5' first. To avoid confusion, the ends should ALWAYS be specified.
The complement matches up its 3' end where the given strand has its 5' end.
This is not a difficult concept.
My name is spelled
James
It is not spelled any of these other ways:
semaJ
Semaj
jameS
judging from the question, i might wager which you initiate off on the "A", yet i would be unable to be sure. mRNA bonds to the DNA and strikes in the three' to 5' course, so transcription might /make/ RNA in the 5' to 3' course. i dont truly understand the question itself, yet does it say that transcription happens from left to good? if so, and if my assistance is actual staggering, then you definately in all probability use the backside series. dont overlook to interchange base T with base U for RNA.