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Which one of the following statements is true for protein synthesis (translation)?

  1. A
    amino acids are directly recognized by -RNA
  2. B
    the third base of the codon is less specific
  3. C
    only one codon codes for an amino acid
  4. D
    every -RNA molecule has more than one amino acid attachment.

Solution & Step-by-step Explanation

The genetic code shows degeneracy, meaning more than one codon can code for a single amino acid. For example, valine is specified by , and . In these codons, the first two bases are common, but the third base is different, which illustrates the concept that the third base of the codon is less specific (Wobble hypothesis).

Practice this question

Try it yourself before checking the explanation above.

Which one of the following statements is true for protein synthesis (translation)?
A
amino acids are directly recognized by -RNA
B
the third base of the codon is less specific
C
only one codon codes for an amino acid
D
every -RNA molecule has more than one amino acid attachment.

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