BIOLOGY-TEXT
5th Edition
ISBN: 9781260169621
Author: BROOKER
Publisher: MCG
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Chapter 12, Problem 2COQ
Summary Introduction
To determine: The list of similarities and difference in the events of initiation, elongation, and termination stages of translation.
Introduction: The gene expression is a highly complex but coordinated process. The information present in the DNA is transferred to RNA molecule by the process called transcription in which dsDNA provides a template for the synthesis of the RNA molecule. The translation, on the other hand, is the passing of the information transferred from mRNA to make a corresponding peptide chain according to the information coded in the mRNA molecule.
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Define both transcription and translation. In addition, describe the role(s) of each of the following in the processes of gene expression and protein synthesis: DNA, mRNA, tRNA, rRNA, ribosome(s), RNA polymerase, codon, anticodon, amino acid(s) and polypeptide(s). Be detailed in your answer.
Briefly, describe one mode of post-translational modification that occurs once translation is finished.
Please describe the four-step process of the elongation during protein translation in bacteria.
Chapter 12 Solutions
BIOLOGY-TEXT
Ch. 12.1 - What disease would result if a person inherited...Ch. 12.1 - Prob. 2CCCh. 12.1 - What is the direction of flow of genetic...Ch. 12.2 - Core Skill: Connections Look back at the role of...Ch. 12.3 - Prob. 1CCCh. 12.4 - Prob. 1CCCh. 12.4 - Prob. 1EQCh. 12.4 - Prob. 2EQCh. 12.4 - Prob. 3EQCh. 12.5 - Core Skill: Connections Look back at Figure 6.3,...
Ch. 12.5 - Prob. 2CSCh. 12.6 - Prob. 1CCCh. 12 - Which of the following best represents the central...Ch. 12 - A mutation prevents a gene from being transcribed...Ch. 12 - Prob. 3TYCh. 12 - Prob. 4TYCh. 12 - If a eukaryotic mRNA failed to have a cap attached...Ch. 12 - Prob. 6TYCh. 12 - Prob. 7TYCh. 12 - During the initiation of translation, the first...Ch. 12 - Prob. 9TYCh. 12 - Prob. 10TYCh. 12 - Prob. 1CQCh. 12 - Prob. 2CQCh. 12 - Prob. 3CQCh. 12 - Prob. 1COQCh. 12 - Prob. 2COQ
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- GTP hydrolysis is used multiple times during the course of protein synthesis to advance the process forward, often irreversibly. Provide an example of a GTP-regulated step and its associated GTP binding factor that regulates a step during A) translation initiation, and also B) one that is associated with the translation elongation phase.arrow_forwardName four major classes of DNA-binding proteins that are responsible for controlling transcription, and describe their structural features.arrow_forwardDiscuss the three steps of Transcription (Initiation, Elongation, Termination).arrow_forward
- Consider the Rho-dependent terminator sequence 5’CCCAGCCCGCCUAAUGAGCGGCCUUUUUUUU-3’. What affect would a point mutation at any one of the bolded and underlined nucleotides disrupt termination of transcription? Group of answer choices Mutation in one of these nucleotides would disrupt base pairing, preventing the formation of the hairpin and disrupting termination. Mutation in one of these nucleotides would have no affect on base pairing, so the termination hairpin is formed and termination proceeds. Mutation in one of these nucleotides would not disrupt base pairing, but would prevent the formation of the hairpin and disrupt termination. Mutation in one of these nucleotides would disrupt base pairing, but not affect the formation of the hairpin and termination proceeds.arrow_forwardDefine, explain, and differentiate between, the processes of transcription and translation. What enzymes or sub-cellular structures are responsible for carrying out these processes?arrow_forwardPlease explain: Transcription-what is it and what does it involve? What happens at initiation, elongation, and termination?arrow_forward
- Discuss the role of GTP in the functioning of translationfactors.arrow_forward1.) Define transcription and translation. How does transcription and translation differ in prokaryotes vs. eukaryotes (i.e. What is present in one but not the other)? 2.) What it means when we say that genetic code is redundant? 3.) Describe the stages of transcription (in detail for each step) - what components are required? 4.) Describe the stages of translation in eukaryotes (initiation, elongation, termination)arrow_forwardThe genetic code was solved partly by the use of in vitro systems to translate synthetic RNAs into peptides. In these systems, ribosomes, amino acids, and buffers that support translation are added and there is no control of where translation begins. AAA = Lys; AUA = Ile; AAU = Asn; UAA = stop. What peptides would NOT be produced in an in vitro system if the following oligonucleotide were added: AAAAAAAAAUAAAAAAAA Select one: a) Lys-Lys-Lys-Lys-Lys-Lys-Lys-Lys b) Lys-Lys-Ile-Lys-Lys c) Lys-Lys-Asn-Lys-Lysarrow_forward
- Give only typing answer with explanation and conclusionarrow_forwardIn a written paragraph, describe the difference between prokaryotic and eukaryotic TRANSCRIPTION. In your response, include the following: - differences in what structures (DNA, RNA, proteins etc...) are involved - differences in timing and location - DO NOT include any details on what happens after transcriptionarrow_forwardSelect the three post-transcriptional modifications often seen in the processing of mRNA in eukaryotes: Group of answer choices heteroduplex formation; base modification; capping 3'-capping; 5'-poly(A) tail addition; splicing 5'-poly(A) tail addition; insertion of introns; capping removal of exons; insertion of introns; capping 5'-capping; 3'-poly(A) tail addition; splicingarrow_forward
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