Question

Arrange the following amino acids on the basis of an increasing number of triplet codes.
(1) Leucine
(2) Tryptophan
(3) Valine
(4) Phenylalanine

• A. 1—2—3—4
• B. 2—4—3—1
• C. 2—3—4—1
• D. 3—1—2—4

Answer 1

The correct option is B 2—4—3—1

• The triplet codon for tryptophan is UGC.
• The triplet codons for Phenylalanine are UUU and UUC.
• The triplet codons for Valine are GUU, GUC, GUA and GUG.
• The triplet codons for Leucine are UUA, UUG, CUU, CUC, CUA and CUG.