Molecular Basis of InheritanceMedium
Question
Which one is the correct product of DNA dependent RNA polymerase to the given template?
3'TACATGGCAAATATCCATTCA5'
Options
A.5'AUGUACCGUUUAUAGGGAAGU3'
B.5'ATGTACCGTTTATAGGTAAGT3'
C.5'AUGUACCGUUUAUAGGUAAGU3'
D.5'AUGUAAAGUUUAUAGGUAAGU3'
Solution
Sol. [Key Concept: Transcription from a DNA template]
RNA is synthesised antiparallel and complementary to the DNA template, with U replacing T in RNA.
Thus template 3′-TACATGGCAAATATCCATTCA-5′ gives
RNA 5′-AUGUACCGUUUAUAGGUAAGU-3′. This matches option (3).
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