The degeneracy of the genetic code allows different codons to code the same amino acid. Which of the following codons does NOT code for the simplest amino acid, glycine?

Question

The degeneracy of the genetic code allows different codons to code the same amino acid. Which of the following codons does NOT code for the simplest amino acid, glycine? (A) GCU (B) GGG (C) GGC (D) GGU

Tardigrade Admin · Accepted Answer

Some amino acids are coded by more than one codon, hence the code is said to be degenerate. Glycine is the simplest amino acid with a single hydrogen atom as the R-group. 4 codons code for this amino acid - GGG, GGU, GGA, GGC.
GCU, GCC, GCA and GCG code for alanine.

Q. The degeneracy of the genetic code allows different codons to code the same amino acid. Which of the following codons does NOT code for the simplest amino acid, glycine?

GCU

GGG

GGC

GGU

Some amino acids are coded by more than one codon, hence the code is said to be degenerate. Glycine is the simplest amino acid with a single hydrogen atom as the R-group. 4 codons code for this amino acid - GGG, GGU, GGA, GGC. GCU, GCC, GCA and GCG code for alanine.

Some amino acids are coded by more than one codon, hence the code is said to be degenerate. Glycine is the simplest amino acid with a single hydrogen atom as the R-group. 4 codons code for this amino acid - GGG, GGU, GGA, GGC.
GCU, GCC, GCA and GCG code for alanine.