The base sequence for initially synthesized RNA for the DNA template strand 5 ' TAAT 3 ' in 5 ' -to- 3 ' direction has to be predicted. Concept introduction: DNA strand contains a complementary base pairing between A-T and C-G. The complementary strands are antiparallel to each other. RNA molecule contains the similar base pairing but the base thymine is replaced by uracil.
The base sequence for initially synthesized RNA for the DNA template strand 5 ' TAAT 3 ' in 5 ' -to- 3 ' direction has to be predicted. Concept introduction: DNA strand contains a complementary base pairing between A-T and C-G. The complementary strands are antiparallel to each other. RNA molecule contains the similar base pairing but the base thymine is replaced by uracil.
Interpretation: The base sequence for initially synthesized RNA for the DNA template strand 5' TAAT 3' in 5'-to-3' direction has to be predicted.
Concept introduction: DNA strand contains a complementary base pairing between A-T and C-G. The complementary strands are antiparallel to each other. RNA molecule contains the similar base pairing but the base thymine is replaced by uracil.
(a)
Expert Solution
Answer to Problem 22.82EP
The base sequence for initially synthesized RNA for the DNA template strand 5' TAAT 3' in 5'-to-3' direction is 5' AUUA 3'.
Explanation of Solution
The given DNA template strand is 5' TAAT 3'. Its corresponding informational DNA strand is 3' ATTA 5'. Reading the informational DNA strand in 5'-to-3' direction, it is 5' ATTA 3'. In RNA molecule, thymine is replaced by uracil. Therefore, the base coding for initially synthesized RNA is 5' AUUA 3'.
(b)
Interpretation Introduction
Interpretation: The base sequence for initially synthesized RNA for the DNA template strand 5' CGCG 3' in 5'-to-3' direction has to be predicted.
Concept introduction: DNA strand contains a complementary base pairing between A-T and C-G. The complementary strands are antiparallel to each other. RNA molecule contains the similar base pairing but the base thymine is replaced by uracil.
(b)
Expert Solution
Answer to Problem 22.82EP
The base sequence for initially synthesized RNA for the DNA template strand 5' CGCG 3' in 5'-to-3' direction is 5' CGCG 3'.
Explanation of Solution
The given DNA template strand is 5' CGCG 3'. Its corresponding informational DNA strand is 3' GCGC 5'. Reading the informational DNA strand in 5'-to-3' direction, it is 5' CGCG 3'. Therefore, the base coding for initially synthesized RNA is 5' CGCG 3'.
(c)
Interpretation Introduction
Interpretation: The base sequence for initially synthesized RNA for the DNA template strand 5' TCAG 3' in 5'-to-3' direction has to be predicted.
Concept introduction: DNA strand contains a complementary base pairing between A-T and C-G. The complementary strands are antiparallel to each other. RNA molecule contains the similar base pairing but the base thymine is replaced by uracil.
(c)
Expert Solution
Answer to Problem 22.82EP
The base sequence for initially synthesized RNA for the DNA template strand 5' TCAG 3' in 5'-to-3' direction is 5' CUGA 3'.
Explanation of Solution
The given DNA template strand is 5' TCAG 3'. Its corresponding informational DNA strand is 3' AGTC 5'. Reading the informational DNA strand in 5'-to-3' direction, it is 5' CTGA 3'. In RNA molecule, thymine is replaced by uracil. Therefore, the base coding for initially synthesized RNA is 5' CUGA 3'.
(d)
Interpretation Introduction
Interpretation: The base sequence for initially synthesized RNA for the DNA template strand 5' TTTT 3' in 5'-to-3' direction has to be predicted.
Concept introduction: DNA strand contains a complementary base pairing between A-T and C-G. The complementary strands are antiparallel to each other. RNA molecule contains the similar base pairing but the base thymine is replaced by uracil.
(d)
Expert Solution
Answer to Problem 22.82EP
The base sequence for initially synthesized RNA for the DNA template strand 5' TTTT 3' in 5'-to-3' direction is 5' AAAA 3'.
Explanation of Solution
The given DNA template strand is 5' TTTT 3'. Its corresponding informational DNA strand is 3' AAAA 5'. Reading the informational DNA strand in 5'-to-3' direction, it is 5' AAAA 3'. Therefore, the base coding for initially synthesized RNA is 5' AAAA 3'.
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For each of the following reactions: Fill in the missing reactant, reagent, or product (s), indicating stereochemistry where appropriate using dashed and wedged bonds. If the reaction forms a racemic mixture, draw both structures in the box and write the word “racemic”.
1) Draw the correct chemical structure (using line-angle drawings / "line structures") from their
given IUPAC name:
a.
hept-3-yne
b. 5-bromo-1-fluoro-4-methylpent-2-yne
15. How many absorptions are expected in the H-NMR spectra of fee songs? Explain your were
a) CH,CH,CCH,CH,
O
CHUCH CHCH
Chapter 22 Solutions
General, Organic, And Biological Chemistry, Hybrid (with Owlv2 Quick Prep For General Chemistry Printed Access Card)
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