OBJECTIVE LIFE SCIENCE
MOLECULAR BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A template strand of DNA is 3’ TAGGCATTGCA 5’.What is the complementary DNA strand that is created from this template during replication?
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5’ TGCAATGCCTA 3’
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5’ TAGGCATTGCA 3’
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5’ AUCCGUAACGU 3’
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5’ ATCCGTAACGT 3’
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Explanation:
Detailed explanation-1: -If one strand of a DNA molecule has the sequence of bases 5’ATTGCA3’, the other complementary, antiparallel strand of DNA would have the sequence: 5’TGCAAT3’.
Detailed explanation-2: -The first mRNA codon to specify an amino acid is always AUG. A DNA strand with the sequence 3’TAC 5’ will corresponds to the first amino acid i.e., AUG.
There is 1 question to complete.