Use the Following Information to Answer the Question Which of the Following Anticodons in the First TRNA to of an MRNA

question 49

Multiple Choice

Use the following information to answer the question.
A part of an mRNA molecule with the following sequence is being read by a ribosome: 5?-CCG-ACG-3? (mRNA) . The following charged transfer RNA molecules (with their anticodons shown in the 3? to 5? direction) are available. Two of them can correctly match the mRNA so that a dipeptide can form.
$$\begin{array} { | c | c | } \hline \text { tRNA Anticodon } & \text { Amino Acid } \\\hline \text { GGC } & \text { Proline } \\\text { CGU } & \text { Alanine } \\\text { UGC } & \text { Threonine } \\\text { CCG } & \text { Glycine } \\\text { ACG } & \text { Cysteine } \\\text { CGG } & \text { Alanine } \\\hline\end{array}$$
Which of the following anticodons in the first tRNA to bind will complement this mRNA?

• A) 3?-GGC-5?
• B) 5?-GGC-3?
• C) 5?-UGC-3?
• D) 3?-UGC-5?

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