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The amino acid Proline is encoded by 4 different codons. They differ:

Question

The amino acid Proline is encoded by 4 different codons. They differ:

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Solution

The amino acid Proline is encoded by the codons CCU, CCC, CCA, and CCG. These codons differ in the third nucleotide position. This position is known as the "wobble" position and allows for some flexibility in the genetic code. This means that even though the third nucleotide in the codon may vary, it can still code for the same amino acid. This is known as degeneracy of the genetic code. In the case of Proline, the first two nucleotides are always "CC", but the third can be U, C, A, or G.

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