MCQ

M4033 · [1]
A DNA molecule containing only 15N is transferred to a medium containing only 14N and undergoes three rounds of replication. Each daughter molecule contains two strands. How many of the resulting strands contain 15N?
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A tRNA molecule carries the amino acid that is added to a growing polypeptide at a ribosome. The mRNA codon at that position is 5'-GCU-3'. What is the anticodon of this tRNA?
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