Biology 2e
Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Chapter 15, Problem 22CTQ

If mRNA is complementary to the DNA template strand and the DNA template strand is complementary to the DNA nontemplate strand, then why are base sequences of mRNA and the DNA nontemplate strand not identical? Could they ever be?

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If mRNA is complementary to the DNA template strand and the DNA template strand is complementary to the DNA nontemplate strand, then why are base sequences of mRNA and the DNA nontemplate strand not identical? Could they ever be?
Below is the 5’–3’ strand of a double-stranded DNA molecule with the following nucleotidesequences (all belong to an exon):5’ C C T A T G C A G T G G C C A T A T T C C A A A G C A T A G C 3’  1. If the above DNA strand is the template (antisense) strand and the DNA molecule is transcribed that produced a functional mRNA. Assuming there are no mutations, the said mRNA is then brought to the site of protein synthesis,a. what would be the amino acid sequence of the synthesized polypeptide chain?b. how many possible kinds of tRNA molecule that will bring the 2nd amino acid observing wobble hypothesis? List down their anticodons.
In cells, proteins are synthesized from a gene sequence via the process of transcription and translation.  Which of the following complementary base pairings would you observe during the synthesis (the making) of a prokaryotic protein?   [I am looking for the complementary base pairing(s) you would see as you go from a gene to a protein. Note that it is prokarryotic protein and not eukaryotic protein]. DNA with mRNA mRNA with tRNA mRNA with rRNA rRNA with tRNA   A.  1, 2 and 3   B.  1 and 3   C.  2 and 4   D.  4 only   E. All of 1, 2, 3 and 4 are correct

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Biology 2e

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