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JEE Advanced levelOne or more correct optionsDifficulty 3 of 3bm164

An mRNA is -AUGGCAUUCUAA-, where UAA is a stop codon. Select the correct statements.

  1. AIt codes for a peptide of 3 amino acids.
  2. BA tRNA carrying the anticodon complementary to the codon AUG pairs with that codon during translation.
  3. CThe ribosome reads the mRNA from its end towards its end.
  4. DThe template DNA strand is -TACCGTAAGATT-.

Answer: A, B, D

Codons are AUG, GCA, UUC and UAA (stop), so 3 amino acids. The anticodon pairs with the codon. Translation proceeds to . The template is the complement of the mRNA, -TACCGTAAGATT-.
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