Genetics
Genetics
6th Edition
ISBN: 9781260444971
Author: BROOKER
Publisher: MCG
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Chapter 13, Problem 1CONQ
Summary Introduction

To review:

The start codon and the amino acids sequences translated from mRNA sequence 5'- GGCGAUGGGCAAUAAACCGGGCCAGUAAGC-3'.

Introduction:

Codons are the three nucleotide sequences of either DNA (deoxyribonucleic acid) or RNA (ribonucleic acid), which correspond to particular stop signals or amino acids at the time of protein synthesis. The full set of codons are known as the genetic code.

Expert Solution & Answer
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Explanation of Solution

The start codon is the AUG acts as a signal codon, which helps in the initiation of translation. It is the first codon of messenger RNA. It is present in both eukaryotes and prokaryotes. In eukaryotes, it starts from 5'untranslated region. However, in prokaryotes it includes ribosomal binding sites.

The codon which is known as start codon is AUG, which codes for methionine. There are some codons which are known as stop codons, which terminate the translation of amino acids. The stop codons are UAA, UAG, and UGA. The amino acids, which will be obtained from given mRNA sequences are mentioned below:-

Genetics, Chapter 13, Problem 1CONQ

Conclusion

Therefore, it can be concluded that the codon which starts from 5th nucleotide is AUG. The amino acid sequences are Met, Gly, Asn, Lys, Pro, Gly, Gln, and STOP.

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An mRNA has the following base sequence:5′–CAGGCGGCGAUGGACAAUAAAGCGGGCCUGUAAGC–3′Identify the start codon, and determine the complete amino acid sequence that will be translated from this mRNA.
An mRNA has the following sequence: 5′–CAGGCGGCGAUGGACAAUAAAGCGGGCCUGUAAGC–3′ Identify the start codon, and determine the complete amino acid sequence that will be translated from this mRNA.
An mRNA has the following sequence: 5′–GGCGAUGGGCAAUAAACCGGGCCAGUAAGC–3′ Identify the start codon, and determine the complete amino acid sequence that would be translated from this mRNA.

Chapter 13 Solutions

Genetics

Ch. 13.5 - Each ribosomal subunit is composed of a. multiple...Ch. 13.5 - Prob. 2COMQCh. 13.6 - 1. During the initiation stage of translation in...Ch. 13.6 - The Kozak rules determine a. the choice of the...Ch. 13.6 - During the peptidyl transfer reaction, the...Ch. 13.6 - A release factor is referred to as a molecular...Ch. 13 - Prob. 1CONQCh. 13 - What does it mean when we say that the genetic...Ch. 13 - According to the adaptor hypothesis, is each of...Ch. 13 - Prob. 4CONQCh. 13 - Prob. 5CONQCh. 13 - 6. The wobble rules for tRNA-mRNA pairing are...Ch. 13 - Prob. 7CONQCh. 13 - Prob. 8CONQCh. 13 - Prob. 9CONQCh. 13 - If a tRNA has an anticodon sequence 3CCI5, what...Ch. 13 - Describe the anticodon of a single tRNA that could...Ch. 13 - Prob. 12CONQCh. 13 - Prob. 13CONQCh. 13 - 14. What is the role of aminoacyl-tRNA synthetase?...Ch. 13 - Prob. 15CONQCh. 13 - 16. Discuss the significance of modified bases...Ch. 13 - How and when does formylmethionine become attached...Ch. 13 - Prob. 18CONQCh. 13 - Prob. 19CONQCh. 13 - Prob. 20CONQCh. 13 - The term subunit can be used in a variety of ways....Ch. 13 - 22. Do the following events during bacterial...Ch. 13 - 23. What are the three stages of translation?...Ch. 13 - Prob. 24CONQCh. 13 - 25. For each of the following initiation factors,...Ch. 13 - Prob. 26CONQCh. 13 - 27. For each of the following sequences, rank them...Ch. 13 - Prob. 28CONQCh. 13 - Prob. 29CONQCh. 13 - Prob. 30CONQCh. 13 - Prob. 31CONQCh. 13 - In which of the ribosomal sites, the A site, P...Ch. 13 - Prob. 33CONQCh. 13 - Prob. 34CONQCh. 13 - Prob. 35CONQCh. 13 - Prob. 36CONQCh. 13 - Prob. 37CONQCh. 13 - 1. In the experiment of Figure 13.7, what would be...Ch. 13 - 2. Polypeptides can be translated in vitro. Would...Ch. 13 - Discuss how the elucidation of the structure of...Ch. 13 - Describe the structure of a polysome, which is...Ch. 13 - Prob. 5EQCh. 13 - 6. The technique of Western blotting is described...Ch. 13 - The protein known as tyrosinase is needed to make...Ch. 13 - Prob. 8EQCh. 13 - Discuss why you think the ribosomes need to...Ch. 13 - 2. Discuss and make a list of the similarities...Ch. 13 - 3. Which events during translation involve...
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