In some organisms,a normal stop codon,UGA,encodes for the amino acid
A)leucine.
B)arginine.
C)isoleucine.
D)selenocysteine.
E)cysteine.

Question

Quizplus · Accepted Answer

In some organisms, the UGA codon, which is normally a stop codon, can be redefined to encode the amino acid selenocysteine. This redefinition occurs in the presence of a specific sequence in the mRNA known as a selenocysteine insertion sequence (SECIS).

In Some Organisms,a Normal Stop Codon,UGA,encodes for the Amino Acid