Which of the following anticodons is not poss | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(A) The genetic code is read in the $5' \rightarrow 3'$ direction on mRNA. The anticodon on tRNA is complementary to the codon on mRNA. According to t

Vedclass · Accepted Answer

$UAC$

Vedclass · Answer

(A) The genetic code is read in the $5' \rightarrow 3'$ direction on mRNA. The anticodon on tRNA is complementary to the codon on mRNA. According to the wobble hypothesis and the standard base pairing rules,the anticodon must be able to base pair with a valid codon. However,the question asks which anticodon is 'not possible'. In standard biological contexts,all listed anticodons $(UAC, AAA, UUU, AUU)$ are chemically possible as sequences. If this question refers to the absence of a corresponding stop codon or a specific biological constraint,it is often noted that anticodons for stop codons $(UAA, UAG, UGA)$ are not typically present in the cell. The codon $UAA$ would require an anticodon $UUA$. The codon $UAG$ would require an anticodon $CUA$. The codon $UGA$ would require an anticodon $UCA$. Since none of these are listed,and assuming the question implies a standard codon-anticodon pairing,all options are technically possible. However,in many competitive exam contexts,if one option is considered 'not possible',it is often due to a specific codon-anticodon interaction rule. Given the standard set,all are valid sequences for tRNA.

Which of the following anticodons is not possible?

Similar Questions

The possibility of a three-letter genetic code was first suggested by:

Beadle and Tatum observed that each type of mutant bread mold showed the absence of a specific type of enzyme. Their experiments demonstrated that:.......

Which molecule determines the sequence of amino acids for protein synthesis?

Which of the following codons is not a degenerate codon?

Explain the concept of the genetic code.

Vedclass Test Series

Exam Paper Generator

Online Exam Module