Multiple choice

GCG stands for which of the following amino acids?

  1. Glutamine

  2. Alanine

  3. Serine

  4. Proline
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The codon GCG (Glycine-Cytosine-Guanine) codes for the amino acid Alanine. This is a standard codon in the genetic code. Glutamine is coded by CAA/CAG, Serine by multiple codons including UCU/UCC/UCA/UCG/AGU/AGC, and Proline by CCU/CCC/CCA/CCG.

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