Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 15, Problem 14RQ
What processing step enhances the stability of pre-tRNAs and pre-rRNAs?
- methylation
nucleotide modification- cleavage
- splicing
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What processing step enhances the stability of pretRNAs and pre-rRNAs? a. methylation b. nucleotide modification c. cleavage d. splicing
Which one of the following options is NOT a step in RNA processing?
Addition of the 5’ G cap
Addition of the 3’ poly A tail
Splicing to remove exons and connect the retained introns
Splicing to remove introns and connect the retained exons
. Eucaryotic processing of hnRNA into mature mRNA includes all of the following steps except:
ribosome attachment to the Shine-Dalgarno sequence
5’-addition of a 7-methylguanosine cap
3’-addition of a polyadenylated tail
splicing together of exons
excision of introns
Chapter 15 Solutions
Biology 2e
Ch. 15 - Figure 15.11 A scientist splices a eukaryotic...Ch. 15 - Figure 15.13 Errors in splicing are implicated in...Ch. 15 - Figure 15.16 Many antibiotics inhibit bacterial...Ch. 15 - The AUC and AUA codons in mRNA both specify...Ch. 15 - How many nucleotides are in 12 mRNA codons? 12 24...Ch. 15 - Which event contradicts the central dogma of...Ch. 15 - Which subunit of the E. coli polymerase confers...Ch. 15 - The -10 and -35 regions of prokaryotic promoters...Ch. 15 - Three different bacteria species have the...Ch. 15 - Which feature of promoters can be found in both...
Ch. 15 - What transcripts will be most affected by low...Ch. 15 - How do enhancers and promoters differ? Enhancers...Ch. 15 - Which pre-mRNA processing step is important for...Ch. 15 - What processing step enhances the stability of...Ch. 15 - A scientist identifies a pre-mRNA with the...Ch. 15 - The RNA components of ribosomes are synthesized in...Ch. 15 - In any given species, there are at least how many...Ch. 15 - A scientist introduces a mutation that makes the...Ch. 15 - Imagine if there were 200 commonly occurring amino...Ch. 15 - Discuss how degeneracy of the genetic code makes...Ch. 15 - A scientist sequencing itiRNA identifies the...Ch. 15 - If mRNA is complementary to the DNA template...Ch. 15 - In your own words, describe the difference between...Ch. 15 - A fragment of bacterial DNA reads: 3’...Ch. 15 - A scientist observes that a cell has an RNA...Ch. 15 - Chronic lymphocytic leukemia patients often harbor...Ch. 15 - Transcribe and translate the following DNA...Ch. 15 - Explain how single nucleotide changes can have...Ch. 15 - A normal mRNA that reads 5’ -...
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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
- During RNA processing _______ are spliced out by snRNPs which recognize a _______. introns; TATA box introns; sequence at the boundary exons; sequence at the boundary exons; TATA boxarrow_forwardWhich of the following is false? Options: tRNAs are heavily processed but in a manner that is different than mRNAs mRNAs are protected from degradation by modifications at the 5' and 3' end rRNAs are all cleaved from a larger pre-rRNA precursor Group II splicing requires protein and RNA to excise intron sequences methylation of histone 3 at K4 results is mostly associated with activated transcriptionarrow_forward. Eukaryotic processing of hnRNA into mature mRNA includes all of the following steps except: ribosome attachment of methionine to the 5’-AUG-3’ codon 5’-addition of a 7-methylguanosine cap 3’-addition of a polyadenylated tail splicing together of exons excision of intronsarrow_forward
- Choose one of the strands and transcribe the strand. Show the steps (with proper label) and do a post transcriptional processing Once the transcript is made, do the process of translation. Again follow the steps. Use the Wobble Table for referencearrow_forwardThe code for a fully functional protein is actually coming from an mRNA transcript that has undergone post transcriptional processing which is essentially way too different from the original code in the DNA template. Given: Cytosine; a Protein with known amino acid sequence Requirement: Original DNA code (itemize the steps you would take to get to know the original DNA code of Cytosine in focus)arrow_forwardIf there are multiple start condo, how can you identify the real start codon? By observing Okazaki fragments By identifying splicing site Using sequence data bases By identifying Kozak sequence Which one is not a part of the transcription unit? RNA primase Promoter RNA coding sequence Terminatorarrow_forward
- Splicing involves excision of introns excision of exons addition of exons addition of intronsarrow_forwardDrawing of a eukaryotic gene. Include labeled parts: 3 exons 2 introns Promoter region including the consensus sequence TATA box Transcription start site Translation start site 5' Untranslated Region 3' Untranslated Region 3' Cleavage sitearrow_forwardDuring the transcription elongation step, an internal structure in the RNA Polymerase called _______________________ guides the template and non-template DNA strands through channels inside the enzyme. rudder alpha sigma flap zipperarrow_forward
- The code for a fully functional protein is actually coming from an mRNA transcript that has undergone post-transcriptional processing which is essentially way too different from the original code in the DNA template. Given: GUC-CAC-UUA-ACC-CCU-GAG-GAG-AAA-UCG-GCC (Protein with known amino acid sequence) Requirement: Original DNA code. Itemize the steps you would take to get to know the original DNA code of the protein in focus.arrow_forwardEnhancers and silencers increase or decrease transcription levels from the distance bind to the RNA polymerase are essential for chain elongation are essential for terminationarrow_forwardwhat does mature mRNA look like after processing? Include 5'cap, 5' UTR, +1 site, exons, 3' UTR, polyadenalation sequence, poly A tail.arrow_forward
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