00:01
Hi, as for the question, by referring the given sequence of double standard dna molecule, we need to find which of the strand act as the transcription template, and we have to derive mrna transcript from that strand, and then we have to write the polypeptide chain produced from the mrna transcript.
00:21
To do it, first let us write the given sequence in the question.
00:27
So in the given sequence, the strand from 5 prime to 3 prime is called as coding strand.
00:45
Likewise, the strand which is in polarity 3 prime to 5 prime, this is called as template strand.
01:01
The strand, which is given in the bottom, right, so this strand will have as the transcription template.
01:29
This is because in the transcription process an enzyme called dna dependent rna polymerase is involved.
01:53
The unique characteristic of this particular enzyme is that it will catalyze polymerization only in one direction and that is from 5 prime to 3 prime direction.
02:08
So to make this enzyme perform its function, our transcription template should have polarity starting from 3 prime to 5 prime.
02:21
Now let us derive mrna transcript for the given dna strand.
02:28
For that, we must first write the template strand alone in a separate area.
02:35
So let us first write the template strand.
02:37
We said that our template strand should have polarity starting from 3 prime to 5 prime.
02:54
So the template strand will do this.
02:58
To write the mrna transcript, we must first understand a small concept of base pairing.
03:05
So the mrna transcript can be written by understanding that concept.
03:20
The concept of base pairing is that the base is present in dna, are adenine, guanine, thineineine, thineineine, and cytosine.
03:54
The bases that are present in rna are adenine, guanine, uracil, and cytosin...
