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What Is Transcription?

If the base s...

Question

If the base sequence of a codon in mRNA is 5-AUG-3, the sequence of mRNA pairing with it must be

A

5 - UAC - 3

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B

5 - CAU - 3

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C

5 -AUG -3

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D

5- GUA - 3

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Solution

The correct option is B 5 - CAU - 3
The first base of the anticodon in 5'-3' direction binds with the third base in codon (reading in 5'-3' direction). Thus, if the base sequence in codon of mRNA is 5'-AUG-3', the complementary anticodon will be3'-UAC-5' or 5'-CAU-3'.

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BIOLOGY

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What Is Transcription?

Standard XII Biology

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