Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Chapter 13, Problem 28CONQ
Summary Introduction
To review:
The roles of sites A (amino acyl), P (peptidyl), and E (exit) during translation.
Introduction:
Ribosomes are the sites of protein synthesis and they contain two subunits: large subunits and small subunits. In eukaryotes, ribosomes are of 80S (Svedberg) while in the prokaryotes, they are of 70S. In the 80S ribosome, the larger subunit is of 60S and the smaller subunit is of 40S, whereas in the 70S ribosome, the large subunit is of 50S while the smaller subunit is of 30S.
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Chapter 13 Solutions
Genetics: Analysis and Principles
Ch. 13.1 - Prob. 1COMQCh. 13.1 - 2. The reason why Beadle and Tatum observed four...Ch. 13.2 - What is the genetic code? a. The relationship...Ch. 13.2 - Prob. 2COMQCh. 13.2 - The fourth codon in an mRNA sequence is GGG, which...Ch. 13.2 - Prob. 4COMQCh. 13.3 - Prob. 2COMQCh. 13.4 - Prob. 1COMQCh. 13.4 - 2. The anticodon of a tRNA is located in the
a....Ch. 13.4 - An enzyme known as _______attaches an amino acid...
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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- Explain the process of elongation during translation.arrow_forwardExplain the function of the Shine-Dalgarno sequence in prokaryotic protein translation. Where is it located?arrow_forwardBriefly, describe one mode of post-translational modification that occurs once translation is finished.arrow_forward
- Describe some of the ways that the initiation step of translation differs from the elongation steps of translation.arrow_forwardWhat are the three stages of translation? Discuss the main events that occur during these three stages.arrow_forwardDescribe in detail all of the steps necessary to carry out translation. You may write in complete sentences or provide a numbered or bulleted list. Be sure to indicate the role of each item below: Amino acids, mRNA, 30S ribosome, 50S ribosome, tRNA, protein chain, E site, P site, and A site.arrow_forward
- The 3 major forms of RNA (mRNA, tRNA, & rRNA) interact during translation. a) Describe the role of each form of RNA during translation.arrow_forwardDefine the catalytic steps that join amino acids during translation ?arrow_forwardName and describe in DETAIL the three steps of translation.arrow_forward
- Discuss the role of GTP in the functioning of translationfactors.arrow_forwardFor each of the following initiation factors, how would eukaryoticinitiation of translation be affected if it were missing?A. eIF2B. eIF4C. eIF5arrow_forwardGive some points about the flow of information during translation?arrow_forward
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