It is known that the second amino acid in that protein is argınine, and if we zoom in and look in the genome browser at where the second codon is encoded, we see the DNA sequence 5-CCT-3. Are we looking at the coding strand or the template strand?

Human Anatomy & Physiology (11th Edition)
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Chapter1: The Human Body: An Orientation
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I was looking in the human genome browser at a particular gene recently. 

It is known that the second amino acid in that protein is arginine, and if we zoom in and look in the genome browser at where the second codon is encoded, we see the DNA sequence 5'-CCT-3'. Are we looking at the coding strand or the template strand?

To answer this here, we need to know that a codon table like the one that we saw in class shows that Arg is specified by AGG. (Think back to the directionality that is always implied in a codon table. Which is the 5' end and which is the 3' end?)

I must have been looking in the genome browser at ________ strand sequence.

Thinking further about how the processes that we discussed work, if we looked at the corresponding tRNA that would actually add the Arg, we would expect to see the anticodon sequence ________.

- ⬤ template: 5'-CCU-3'
- ⬤ template: 5'-AGG-3'
- ⬤ coding: 5'-CCU-3'
- ⬤ coding: 5'-AGG-3'
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Transcribed Image Text:``` I was looking in the human genome browser at a particular gene recently. It is known that the second amino acid in that protein is arginine, and if we zoom in and look in the genome browser at where the second codon is encoded, we see the DNA sequence 5'-CCT-3'. Are we looking at the coding strand or the template strand? To answer this here, we need to know that a codon table like the one that we saw in class shows that Arg is specified by AGG. (Think back to the directionality that is always implied in a codon table. Which is the 5' end and which is the 3' end?) I must have been looking in the genome browser at ________ strand sequence. Thinking further about how the processes that we discussed work, if we looked at the corresponding tRNA that would actually add the Arg, we would expect to see the anticodon sequence ________. - ⬤ template: 5'-CCU-3' - ⬤ template: 5'-AGG-3' - ⬤ coding: 5'-CCU-3' - ⬤ coding: 5'-AGG-3' ```
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The coding strand is the sense strand of the DNA double helix that has the polarity of 5'--> 3' and is not directly involved in transcription. Whereas the template strand is the antisense DNA strand that has the polarity of 3' --> 5' and directly codes for the process of transcription. 

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