Ch. 14 - Translation and Proteins
Chapter 14, Problem 5
During translation, what molecule bears the codon? the anticodon?
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Related Practice
Textbook Question
The mRNA formed from the repeating tetranucleotide UUAC incorporates only three amino acids, but the use of UAUC incorporates four amino acids. Why?
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Textbook Question
Francis Crick proposed the 'adaptor hypothesis' for the function of tRNA. Why did he choose that description?
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Textbook Question
In studies using repeating copolymers, AC . . . incorporates threonine and histidine, and CAACAA . . . incorporates glutamine, asparagine, and threonine. What triplet code can definitely be assigned to threonine?
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Textbook Question
In a coding experiment using repeating copolymers (as demonstrated in Table 13.3), the following data were obtained:
Copolymer Codons Produced Amino Acids in Polypeptide
AG AGA, GAG Arg, Glu
AAG AGA, AAG, GAA Lys, Arg, Glu
AGG is known to code for arginine. Taking into account the wobble hypothesis, assign each of the four codons produced in the experiment to its correct amino acid.
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Textbook Question
The α chain of eukaryotic hemoglobin is composed of 141 amino acids. What is the minimum number of nucleotides in an mRNA coding for this polypeptide chain?
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Textbook Question
In the triplet binding technique, radioactivity remains on the filter when the amino acid corresponding to the codon is labeled. Explain the rationale for this technique.
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