Campbell Biology: Custom Edition
18th Edition
ISBN: 9781323717271
Author: Urry, Cain, Wasserman, Minorsky, Reece
Publisher: PEARSON C
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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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Chapter 17 Solutions
Campbell Biology: Custom Edition
Ch. 17.1 - Prob. 1CCCh. 17.1 - What polypeptide product would you expect from a...Ch. 17.1 - Prob. 3CCCh. 17.2 - MAKE CONNECTIONS In a research artide about...Ch. 17.2 - What enables RNA polymerase to start transcribing...Ch. 17.2 - WHAT IF? Suppose X-rays caused a sequence change...Ch. 17.3 - There are about 20,000 human protein-coding genes....Ch. 17.3 - How is RNA splicing similar to how you would watch...Ch. 17.3 - Prob. 3CCCh. 17.4 - What two processes ensure that the correct amino...
Ch. 17.4 - Prob. 2CCCh. 17.4 - Prob. 3CCCh. 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 - scientific inquiry Knowing that the genetic code...Ch. 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
- How 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_forwardWhat codon is present near the 3′ 3end of all mRNA molecules?arrow_forward
- How does a eukaryotic ribosome select its start codon? Describe the sequences in eukaryotic mRNA that provide an optimal context for a start codon.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_forwardProkaryotic 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_forward
- So 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_forwardWhat is RNA splicing (make sure to include any relevant terms)? What structure is used to splice eukaryotic mRNA? Why is alternative splicing important?arrow_forward
- A eukaryotic cell carrying out transcription and RNA processing is incubated with 32P-labeled ATP. Where will the radioactive isotope appear in mature mRNA if the ATP is labeled at the (a) α position, (b) β position, and (c) γ position?arrow_forwardIn (i) eukaryotes, RNA polymerase II produces capped RNA during transcription. Draw the chemical structure of the capped 5' end of nascent RNA transcript. (ii) What is the role of the 5' cap on the mRNA during early translation?arrow_forwardHow do prokaryotic cells overcome the problem of a stalled ribosome on an mRNA that has no termination codon? How do eukaryotic cells solve this problem?arrow_forward
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