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Chapter 13: Problem 8

If a tRNA molecule carries a glutamic acid, what are the two possible anticodon sequences that it could contain? Be specific about the \(5^{\prime}\) and \(3^{\prime}\) ends.

Short Answer

Expert verified
The two possible anticodon sequences for a tRNA molecule that carries glutamic acid are 'CUU' and 'CUC' in the 5'-3' orientation.

Step by step solution

01

Identify the codons for glutamic acid

The codons for glutamic acid are 'GAA' and 'GAG'. This information can be found in the genetic code chart.
02

Identify the anticodon

The anticodon is a sequence in tRNA that is complementary to the codon. Therefore, the two possible anticodon sequences for glutamic acid are 'CUU' and 'CUC', corresponding to the codons 'GAA' and 'GAG', respectively. This is due to base-pairing rules where adenine (A) pairs with uracil (U) and cytosine (C) pairs with guanine (G).
03

State the 5'-3' orientation

In describing nucleotide sequences, it is standard to give the sequence in the 5'-3' orientation. So, the anticodon for 'GAA' is 'CUU' in 5'-3'. And the anticodon for 'GAG' is 'CUC' in 5'-3'.

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