Campbell Biology, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (10th Edition)
10th Edition
ISBN: 9780133922851
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Textbook Question
Chapter 17, Problem 17.3CR
What function do the 5' cap and the poly-A tail serve on a eukaryotic mRNA?
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How does placement of a ribosome at the start codon differ in bacteria and eukaryotes? What role do the 59 cap and 39 poly-A tail play in this process in eukaryotes?
In eukaryotic mRNA there are 90 nucleotide involved in translation process. What is the number of amino acid in the protein formed by this mRNA molecule?
What polypeptide sequences would you expect to result from a synthetic mRNA with the repeating sequence 5’-UUUGGGUUUGGGUUUGGG-3'?
Chapter 17 Solutions
Campbell Biology, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (10th Edition)
Ch. 17.1 - Prob. 1CCCh. 17.1 - What polypeptide product would you expect from a...Ch. 17.1 - Prob. 3CCCh. 17.1 - Prob. 4CCCh. 17.2 - MAKE CONNECTIONS In a research artide about...Ch. 17.2 - What enables RNA polymerase to start transcribing...Ch. 17.2 - Prob. 3CCCh. 17.3 - Prob. 1CCCh. 17.3 - How is RNA splicing similar to how you would watch...Ch. 17.3 - Prob. 3CC
Ch. 17.4 - What two processes ensure that the correct amino...Ch. 17.4 - Prob. 2CCCh. 17.4 - Prob. 3CCCh. 17.4 - Prob. 4CCCh. 17.4 - WH AT IF? In eukaryotic cells, mRNAs have been...Ch. 17.5 - What happens when one nucleotide pair is lost from...Ch. 17.5 - MAKE CONNECTIONS Individuals heterozygous for the...Ch. 17.5 - WHAT IF? DRAW IT The template strand of a gene...Ch. 17 - Describe the process of gene expression, by which...Ch. 17 - What are the similarities and differences in the...Ch. 17 - What function do the 5' cap and the poly-A tail...Ch. 17 - Prob. 17.4CRCh. 17 - What will be the results of chemically modifying...Ch. 17 - In eukaryotic cells, transcription cannot begin...Ch. 17 - Which of the following is not true of a codon? (A)...Ch. 17 - The anticodon of a particular tRNA molecule is (A)...Ch. 17 - Which of the following is not true of RNA...Ch. 17 - Which component is not directly involved in...Ch. 17 - Using Figure 17.6, identify a 5' 3' sequence of...Ch. 17 - Prob. 7TYUCh. 17 - Would the coupling of the processes shown in...Ch. 17 - Prob. 9TYUCh. 17 - Prob. 10TYUCh. 17 - Prob. 11TYUCh. 17 - Prob. 12TYUCh. 17 - Prob. 13TYU
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- 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_forwardHow does a eukaryotic ribosome select its start codon? Describe the sequences in eukaryotic mRNAs that provide an optimal context for a start codon.arrow_forwardWhat is an Okazaki fragment, and how are they later “glued” together? What are the types and major functions for each type of RNA? Define transcription and translation. Which process occurs first to make protein from DNA? In what direction does a polymerase move when synthesizing a strand of mRNA? What mRNA sequence is synthesized from a section of DNA that is 3’-TTGACCT-5’?arrow_forward
- For the following mRNA sequences, what is the amino acid sequence formed? Consult genetic code table for reference. 5' AGUCCGUAC 3' 5' AAUUGCUUC 3'arrow_forwardWhat codon is present near the 3′ 3end of all mRNA molecules?arrow_forwardHow does a eukaryotic ribosome select its start codon? Describe the sequences in eukaryotic mRNA that provide an optimal context for a start codon.arrow_forward
- What is the sequence of the mRNA molecule synthesized from the DNA template strand 5'-TAACGGTACGAT-3'? Enter the mRNA sequence using the one-letter abbreviations for the nucleotides. 5'- UAACGGUACGAU What amino acid sequence is encoded by the mRNA molecule 5'-AACGGAUCACUAACCUAC-3'? Assume that the reading frame starts at the 5′ end. Use a codon table to determine the identity of the translated peptide. Enter the amino acid sequence using three-letter abbreviations for the amino acids separated by hyphens (-). N-terminus Asn-Gly-ser-Leu-Thr-Tyr What is the sequence of the polypeptide formed if poly(UUAC) is added to a cell-free, protein-synthesizing system? poly(His-Ser-Phe-Ile) Asn-Glu-stop poly(Leu) Val-Ser-Lys-stop poly(Tyr) -3' poly(Leu-Leu-Thr-Tyr) C-terminusarrow_forwardThe following is a portion of an mRNA sequence: 3’ –AUCGUCAUGCAGA-5’ a)During transcription, was the adenine at the left-hand side of the sequence the first or the last nucleotide used to build the portion of the mRNA shown? Explain how you know. b)Write out the sequence and polarity of the DNA duplex that encodes this mRNA segment. Label the template and coding DNA strands. c)Identify the direction in which the promoter region for this gene will be located.arrow_forwardsome eukaryotic mRNAs have internal ribosome binding sites, where ribosomes can bind without first attaching to the 5′ cap. Yet all eukaryotic mRNAs are capped, and cap-dependent translation is highly efficient. What might be the advantage of having internal ribosome binding sites if the cap permits the initiation of translation and all eukaryotic mRNAs are capped?arrow_forward
- Prokaryotic mRNAs have a RBS (Ribosomal binding site). How they use RBS for translational machinery? What are the properties of RBS? Draw a simple scheme for RBS and mRNA interaction site.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_forwardWhat role does the poly(A) tail play in mRNA function?arrow_forward
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