The base sequence for initially synthesized RNA for the DNA template strand 5 ' ATAT 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 ' ATAT 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' ATAT 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 11.81EP
The base sequence for initially synthesized RNA for the DNA template strand 5' ATAT 3' in 5'-to-3' direction is 5' AUAU 3'.
Explanation of Solution
The given DNA template strand is 5' ATAT 3'. Its corresponding informational DNA strand is 3' TATA 5'. Reading the informational DNA strand in 5'-to-3' direction, it is 5' ATAT 3'. In RNA molecule, thymine is replaced by uracil. Therefore, the base coding for initially synthesized RNA is 5' AUAU 3'.
(b)
Interpretation Introduction
Interpretation: The base sequence for initially synthesized RNA for the DNA template strand 5' ACCC 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 11.81EP
The base sequence for initially synthesized RNA for the DNA template strand 5' ACCC 3' in 5'-to-3' direction is 5' GGGU 3'.
Explanation of Solution
The given DNA template strand is 5' ACCC 3'. Its corresponding informational DNA strand is 3' TGGG 5'. Reading the informational DNA strand in 5'-to-3' direction, it is 5' GGGT 3'. In RNA molecule, thymine is replaced by uracil. Therefore, the base coding for initially synthesized RNA is 5' GGGU 3'.
(c)
Interpretation Introduction
Interpretation: The base sequence for initially synthesized RNA for the DNA template strand 5' ATCG 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 11.81EP
The base sequence for initially synthesized RNA for the DNA template strand 5' ATCG 3' in 5'-to-3' direction is 5' CGAU 3'.
Explanation of Solution
The given DNA template strand is 5' ATCG 3'. Its corresponding informational DNA strand is 3' TAGC 5'. Reading the informational DNA strand in 5'-to-3' direction, it is 5' CGAT 3'. In RNA molecule, thymine is replaced by uracil. Therefore, the base coding for initially synthesized RNA is 5' CGAU 3'.
(d)
Interpretation Introduction
Interpretation: The base sequence for initially synthesized RNA for the DNA template strand 5' AAAA 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 11.81EP
The base sequence for initially synthesized RNA for the DNA template strand 5' AAAA 3' in 5'-to-3' direction is 5' UUUU 3'.
Explanation of Solution
The given DNA template strand is 5' AAAA 3'. Its corresponding informational DNA strand is 3' TTTT 5'. Reading the informational DNA strand in 5'-to-3' direction, it is 5' TTTT 3'. In RNA molecule, thymine is replaced by uracil. Therefore, the base coding for initially synthesized RNA is 5' UUUU 3'.
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Choose the best reagent for carrying out the following reactions from the list below. Place the letter of
the reagent(s) in the box over the reaction arrow. Use only one letter per box.
OH
OH
CH
CH
CH3
CHS
CH3
f
OH
OCH 3
H
A.
NaH, then CHI
B.
C.
m-ClC6H4COзH
D.
E.
warm H2SO4/H₂O
F.
G.
H₂/Pd
H.
I.
Cl₂, H₂O
J.
NaOCH3, CH3OH
CH3MgBr in ether, then H3O+
Hg(O2CCF3)2, CH3OH
PCC, CH2Cl2
LiAlH4 in ether, then H3O+
What is the product of the reaction of 2,4-pentanedione with phenylhydrazine?
In the reaction of naphthalene with CrO3 in acetic acid. Indicate
whether a different product is obtained if carried out at 25°C or with
heating (A).
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