Trace the path of genetic information from DNA to protein. Which mRNA and peptid

Question

Trace the path of genetic information from DNA to protein. Which mRNA and peptide is generated from the DNA sequence below? Use the genetic code presented in the table below.

5’–CTAGTAGATACGTCCCATG–3’

Table 4.5 The genetic code as expressed by triplet base sequences of mRNA Amino acid Amino acid Amino acid Amino acid Cysteine Cysteine None (stop signal) UUC UCC None (stop signal) None (stop signal) CAU CUG ACC AAC AUA AGA AUG (start) Aspartic acid Aspartic acid Glutamic acid Glutamic acid GAA AUG encodes N-formylmethionine at the beginning of polypeptide chains of Bacteria. Select all the correct answers O tyrosine-glycine-alanine-tyrosine-methionine O 5-CAUGGGACGUAUCUACUAG-3' mRNA O 5-CATGGGACGTATCTACGAT-3' mRNA O methionine-glycine-arginine-isoleucine-tyrosine O methionine-tyrosine-alanine-glycine-tyrosine O 5-GAUCAUCUAUGCAGGGUAC-3' mRNA O tyrosine-isoleucine-arginine-glycine-methionine

Explanation / Answer

The mRNA sequence generated from the given DNA sequence is:

5’-CAU GGG ACG UAU CUA CUA G-3’

None of the given polypeptide sequences matches with the resulting mRNA.

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