Textbook Question
Provide the amino acid corresponding to each of the following codons:
c. AUC
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26. Nucleic Acids and Protein Synthesis
The Genetic Code
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Determine the number of bases in the information strand for the gene that codes for the peptide below:
Pro–His–Gly–Gly–Lys–Arg
A
6
B
12
C
18
D
36
Verified step by step guidance1
Understand that each amino acid in a peptide is coded by a sequence of three nucleotides, known as a codon, in the DNA sequence.
Identify the number of amino acids in the given peptide sequence. The peptide sequence provided is Pro–His–Gly–Gly–Lys–Arg, which consists of 6 amino acids.
Calculate the total number of nucleotides required to code for these amino acids by multiplying the number of amino acids by the number of nucleotides per codon. Since each amino acid is coded by 3 nucleotides, multiply 6 (amino acids) by 3 (nucleotides per amino acid).
Recognize that the result from the multiplication gives the total number of bases in the information strand of the gene that codes for the peptide.
Conclude that the number of bases in the information strand is the product of the number of amino acids and the number of nucleotides per codon.
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