Question
Biology Question on Structure of DNA and RNA
Which of the following is not considered as a stop codon?
A
UAA
B
UAC
C
UAG
D
UGA
Answer
UAC
Explanation
Solution
Stop codons are sequences of DNA and RNA that are needed to stop translation or the making of proteins by stringing amino acids together. There are three RNA stop codons: UAG, UAA, and UGA. In DNA, the uracil (U) is replaced by thymine (T).