Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Chapter 12, Problem 36CONQ
Summary Introduction
To review
Whether the 5’ end of the intron will have a phosphate group.
Introduction:
Transcription yields a specific heterogeneous nuclear RNA (ribonucleic acid) which consists of certain non-coding sequences along with coding sequences for protein encoding, called exons. Pre mRNA (messenger RNA) undergoes certain modifications to yield a messenger RNA that consists of coding sequence only and not the non-coding sequences. There are various models or approaches for such kind of modifications that occur within the nucleus of acell.
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Chapter 12 Solutions
Genetics: Analysis and Principles
Ch. 12.1 - 1. Which of the following base sequences is used...Ch. 12.1 - Prob. 2COMQCh. 12.2 - With regard to a promoter, a transcriptional start...Ch. 12.2 - Prob. 2COMQCh. 12.2 - 3. Sigma factor is needed during which stage(s) of...Ch. 12.2 - A uracil-rich sequence occurs at the end of the...Ch. 12.3 - Which RNA polymerase in eukaryotes is responsible...Ch. 12.3 - Prob. 2COMQCh. 12.3 - Prob. 3COMQCh. 12.3 - Prob. 4COMQ
Ch. 12.4 - Which of the following are examples of RNA...Ch. 12.4 - A ribozyme is a. a complex between RNA and a...Ch. 12.4 - Prob. 3COMQCh. 12.4 - Prob. 4COMQCh. 12.5 - 1. Which of the following is not a key difference...Ch. 12 - Prob. 1CONQCh. 12 - Prob. 2CONQCh. 12 - Prob. 3CONQCh. 12 - Prob. 4CONQCh. 12 - 5. Mutations in bacterial promoters may increase...Ch. 12 - Prob. 6CONQCh. 12 - 7. In Chapter 9, we considered the dimensions of...Ch. 12 - 8. A mutation within a gene sequence changes the...Ch. 12 - Prob. 9CONQCh. 12 - At the molecular level, describe how factor...Ch. 12 - Prob. 11CONQCh. 12 - What is the complementarity rule that governs the...Ch. 12 - 13. Describe the movement of the open complex...Ch. 12 - 14. Describe what happens to the chemical bonding...Ch. 12 - Prob. 15CONQCh. 12 - Prob. 16CONQCh. 12 - Prob. 17CONQCh. 12 - Mutations that occur at the end of a gene may...Ch. 12 - If the following RNA polymerases were missing from...Ch. 12 - 20. What sequence elements are found within the...Ch. 12 - 21. For each of the following transcription...Ch. 12 - 22. Describe the allosteric and torpedo models for...Ch. 12 - Which eukaryotic transcription factor(s) shown in...Ch. 12 - 24. The initiation phase of eukaryotic...Ch. 12 - A eukaryotic protein-encoding gene contains two...Ch. 12 - 26. Describe the processing events that occur...Ch. 12 - Prob. 27CONQCh. 12 - Prob. 28CONQCh. 12 - Prob. 29CONQCh. 12 - Prob. 30CONQCh. 12 - 31. In eukaryotes, what types of modifications...Ch. 12 - Prob. 32CONQCh. 12 - Prob. 33CONQCh. 12 - 34. Figure 12.21 shows the products of alternative...Ch. 12 - 35. The processing of ribosomal RNA in eukaryotes...Ch. 12 - Prob. 36CONQCh. 12 - Prob. 37CONQCh. 12 - After the intron (which is in a lariat...Ch. 12 - Prob. 1EQCh. 12 - 2. Chapter 21 describes a technique known as...Ch. 12 - Prob. 3EQCh. 12 - As described in Chapter 21 and in experimental...Ch. 12 - Prob. 5EQCh. 12 - Prob. 6EQCh. 12 - 1. Based on your knowledge of introns and pre-mRNA...Ch. 12 - Discuss the types of RNA transcripts and the...
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- The wobble pairing rule states that a 'U' in teh anticodon wobble position can pair with 'A' or 'G', whereas a 'C' in the wobble position of the anticodon can only pair with 'G'. what is the anticodon found on the Methionine tRNA?arrow_forwardWhen an intron is undergoing the first step in splicing, where is the first breakage of the phosphodiester backbone that occurs? (Explain)arrow_forwardThere are four codons that encode threonine. Consider the leader sequence in Figure 31.22A. What codons are used and with what frequency?arrow_forward
- One of the codons in mRNA that specifies the amino acid phenylalanine is UUC. What is the anticodon on the tRNA that carries phenylalanine?arrow_forwardWhat are the amino acids carried by tRNAs if their anticodons are either 5'-CAU-3' and 3'-GUC-5'?arrow_forwardWhat two reaction steps are required for the formation of an aminoacyl-tRNA?arrow_forward
- The primary protein structure is shown in Figure 9-3(a).Where in the mRNA (near the 5′or 3′end) would a mutation in R2 be encoded?arrow_forwarda) Identify the current stage of the translation process shown in Figure 1 and name the anticodon sequence in tRNAb) State TWO immediate, main consequences when a stop codon reaches the E site.arrow_forwardWhat is the peptide encoded by this mRNA sequence 5’-UCU-GCA- AAU-UAA -GUU-3’?arrow_forward
- Since among the 64 codons of mRNA 61 codify amino acids that form polypeptide chains what are the functions of the three remaining codons?arrow_forwardWhat is the AG-GU-AG-G rule in splicing?arrow_forwardSo the spliceosome is a structure that allows RNA splicing to occur, expelling the introns. Does this produce the coding sequences that ultimately generate the mature RNA? Does any malfunction within the spliceosome give rise to alternative splicing?arrow_forward
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