Microbiology With Diseases By Taxonomy (6th Edition)
6th Edition
ISBN: 9780134832302
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Chapter 7, Problem 2SA
Summary Introduction
To determine:
The several ways in which eukaryotic messenger RNA differs from prokaryotic
Introduction:
Ribonucleic acid is a
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List several ways in which eukaryotic messenger RNA differs from prokaryotic mRNA.
Eukaryotic messenger RNA can undergo post synthetic processing after transcription and before translation. One of the
processing steps is splicing, where portions of the RNA are removed and the remaining RNA are joined together. Classify the
statements regarding mRNA splicing as true or false.
True statements
False statements
In splicing, intron sequences are removed from the mRNA in the form of
lariats (loops) and are degraded.
Splicing occurs while the mRNA is still in the nucleus.
Splicing of mRNA does not involve any proteins.
One MRNA can sometimes code for more than one protein by splicing at
alternative sites.
Splicing occurs while the mRNA is attached to the nucleosome.
Prokaryotic mRNA has some unique features compared to eukaryotic mRNA. Which of the following would apply only to prokaryotic mRNA (and not to eukaryotic mRNA)?
contains introns
polycistronic
produced by RNA polymerase
synthesized in the nucleus
Chapter 7 Solutions
Microbiology With Diseases By Taxonomy (6th Edition)
Ch. 7 - DNA replication requires a large amount of energy,...Ch. 7 - In bacteria, polypeptide translation can begin...Ch. 7 - Prob. 3TMWCh. 7 - Prob. 4TMWCh. 7 - Clinical Case Study Deadly Horizontal Gene...Ch. 7 - Which of the following is most likely the number...Ch. 7 - Which of the following is a true statement...Ch. 7 - Prob. 3MCCh. 7 - Prob. 4MCCh. 7 - Prob. 5MC
Ch. 7 - Prob. 6MCCh. 7 - Prob. 7MCCh. 7 - Prob. 8MCCh. 7 - Prob. 9MCCh. 7 - Prob. 10MCCh. 7 - Which of the following is not a mechanism of...Ch. 7 - Prob. 12MCCh. 7 - Prob. 13MCCh. 7 - Which of the following are called jumping genes?...Ch. 7 - Prob. 15MCCh. 7 - Prob. 16MCCh. 7 - Prob. 17MCCh. 7 - Prob. 18MCCh. 7 - Prob. 19MCCh. 7 - Prob. 20MCCh. 7 - Prob. 21MCCh. 7 - Prob. 22MCCh. 7 - Prob. 23MCCh. 7 - Prob. 24MCCh. 7 - The trp operon is repressible. This means it is...Ch. 7 - The three steps in RNA transcription are...Ch. 7 - Prob. 2FIBCh. 7 - Prob. 3FIBCh. 7 - Prob. 4FIBCh. 7 - An operon consists of ____________,...Ch. 7 - Prob. 6FIBCh. 7 - A daughter DNA molecule is composed of one...Ch. 7 - Prob. 8FIBCh. 7 - Prob. 9FIBCh. 7 - ____________ is a recombination event that occurs...Ch. 7 - Prob. 11FIBCh. 7 - Prob. 12FIBCh. 7 - Prob. 1SACh. 7 - Prob. 2SACh. 7 - Prob. 3SACh. 7 - Polypeptide synthesis requires large amounts of...Ch. 7 - Prob. 5SACh. 7 - Prob. 6SACh. 7 - Prob. 7SACh. 7 - Prob. 8SACh. 7 - Describe how DNA is packaged in both prokaryotes...Ch. 7 - Prob. 10SACh. 7 - Prob. 11SACh. 7 - Prob. 12SACh. 7 - On the figure below, label DNA polymerase I, DNA...Ch. 7 - Prob. 2VICh. 7 - Prob. 3VICh. 7 - If molecules of mRNA have the following nucleotide...Ch. 7 - A scientist uses a molecule of DNA composed of...Ch. 7 - Prob. 3CTCh. 7 - Prob. 4CTCh. 7 - Prob. 5CTCh. 7 - Suppose that the E. coli gene for the lac operon...Ch. 7 - Prob. 7CTCh. 7 - Prob. 8CTCh. 7 - Prob. 9CTCh. 7 - How can knowledge of nucleotide analogs be useful...Ch. 7 - The endosymbiotic theory states that mitochondria...Ch. 7 - Prob. 12CTCh. 7 - Prob. 13CTCh. 7 - Prob. 14CTCh. 7 - What DNA nucleotide triplet codes for codon UGU?...Ch. 7 - Prob. 17CT
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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
- Eukaryotic messenger RNA can undergo post synthetic processing after transcription and before translation. One of the processing steps is splicing, where portions of the RNA are removed and the remaining RNA are joined together. Classify the statements regarding mRNA splicing as true or false. True statements Splicing of mRNA does not involve any proteins. Answer Bank Splicing occurs while the mRNA is attached to the spliceosome. In splicing, intron sequences are removed from the mRNA in the form of lariats (loops) and are degraded. One mRNA can sometimes code for more than one protein by splicing at alternative sites. False statements Splicing occurs after the mRNA enters the cytoplasm but before it binds to the ribosome.arrow_forwardEukaryotic mRNA has a significantly longer half life than its prokaryotic counterpart. How is this accomplished in eukaryotes? What processes tend to degrade mRNA molecules in both eukaryotes and prokaryotes, and why are these processes needed?arrow_forwardb) In eukaryotes, the newly synthesized MRNA undergoes modifications before it is transported across the nuclear membrane into the cytoplasm. Outline any two of the three modifications.arrow_forward
- List three molecular changes that take place in the processing of eukaryotic mRNA.arrow_forwardCompare bacterial and eukaryotic mRNAs, and explain the functional significance of their structural differences.arrow_forwardA certain mRNA strand has the following nucleotide sequence: 5AUGACGUAUAACUUU3 What is the anticodon for each codon? What is the amino acid sequence of the polypeptide? (Use Figure 13-5 to help answer this question.) Figure 13-5 The genetic code The genetic code specifies all possible combinations of the three bases that compose codons in mRNA. Of the 64 possible codons, 61 specify amino acids (see Figure 3-17 for an explanation of abbreviations). The codon AUG specifies the amino acid methionine and also signals the ribosome to initiate translation (start). Three codonsUAA, UGA, and UAGdo not specify amino acids; they terminate polypeptide synthesis (stop).arrow_forward
- How and why do prokaryotic mRNA and eukaryotic mRNA differ?arrow_forwardWhat are the major differences in the synthesis and structure of prokaryotic and eukaryotic mRNAs?arrow_forwardExplain briefly how translation is initiated from a) prokaryotic mRNA and b) eukaryotic mRNA. Include names of any relevant sequences on the mRNA, proteins involved, including ribosomal subunits.arrow_forward
- List and draw out four distinctive features of most eukaryotic mRNAs.arrow_forwardThe template strand (i.e.: the strand that is transcribed into RNA, which is usually represented “at the bottom”) of a segment of double helical DNA contains the sequence (5′) TCCGCTCCATCG (3′). What is the base sequence of the mRNA that can be transcribed from this strand?arrow_forwardIndicate which of the following items are associated with transcription or translation. This could be in prokaryotes or eukaryotes, or both. Group of answer choices: Translation OR Transcription Sigma binds to the promoter mRNA binds to the small ribosomal subunit Spliceosomes remove introns and splice together exons Nucleotides are added from the 5' to 3' end tRNA anticodon binds to the corresponding mRNA codon STOP codon results in terminationarrow_forward
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