The codons that are associated with the given base sequence have to be stated. Concept introduction: A three nucleotide sequence in mRNA molecule that codes for a specific amino acid is known as codon. The complementary three-nucleotide sequence of a codon is known as an anticodon. The codon is present on a mRNA molecule while an anticodon is present on a tRNA molecule.
The codons that are associated with the given base sequence have to be stated. Concept introduction: A three nucleotide sequence in mRNA molecule that codes for a specific amino acid is known as codon. The complementary three-nucleotide sequence of a codon is known as an anticodon. The codon is present on a mRNA molecule while an anticodon is present on a tRNA molecule.
Solution Summary: The author explains the three nucleotide sequence in mRNA molecule that codes for a specific amino acid is known as codon; the complementary three-nucleotic sequence of
Definition Definition A complex molecule that makes up a fundamental unit of a DNA or RNA molecule. Nucleotides are composed of a sugar, a nitrogenous base, and a phosphoric acid.
Chapter 22, Problem 22.131EP
(a)
Interpretation Introduction
Interpretation: The codons that are associated with the given base sequence have to be stated.
Concept introduction: A three nucleotide sequence in mRNA molecule that codes for a specific amino acid is known as codon. The complementary three-nucleotide sequence of a codon is known as an anticodon. The codon is present on a mRNA molecule while an anticodon is present on a tRNA molecule.
(b)
Interpretation Introduction
Interpretation: The tRNA anticodons that are compatible with the given base sequence have to be stated.
Concept introduction: A three nucleotide sequence in mRNA molecule that codes for a specific amino acid is known as codon. The complementary three-nucleotide sequence of a codon is known as an anticodon. The codon is present on a mRNA molecule while an anticodon is present on a tRNA molecule.
(c)
Interpretation Introduction
Interpretation: The amino acids that are specified with the given base sequence have to be stated.
Concept introduction: A three nucleotide sequence in mRNA molecule that codes for a specific amino acid is known as codon. The complementary three-nucleotide sequence of a codon is known as an anticodon. The codon is present on a mRNA molecule while an anticodon is present on a tRNA molecule.
The amino acids present in the protein are linked via peptide linkages. The peptide linkages between the amino acids are the part of the backbone of the protein structure.
An anticodon has the sequence GCG. What amino acid does this tRNA carry? What would be the effect of a mutation that changes the C of the anti-codon to a G?
Suppose that a gene underwent a mutation that changed a GAA codon to UAA. (a) Name the amino acid encoded by the original triplet. (b) Identify a tRNA anticodon that could translate the nonsense UAA triplet. (c) What other amino acid could be encoded by the mutant tRNA?
A segment of DNA has the followimg sequence of bases..
5'-ATGCAATGATATTGAAGCTTA-3'
a) What sequence of bases would appear in mRNA transcribed from this segment?
b) Assume the first base in this mRNA is the beginning of a codon. What order of amino acid would be translated into a polypeptide synthesized along this segment?
c) Give anticodons for each tRNA associated with the translation in part (b)
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