Modified Mastering Microbiology with Pearson eText -- Standalone Access Card -- for Microbiology with Diseases by Taxonomy (5th Edition)
5th Edition
ISBN: 9780134402819
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Textbook Question
Chapter 7, Problem 2TMW
In bacteria, polypeptide translation can begin even before mRNA transcription is complete. Why can’t this happen in eukaryotes?
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Why can translation begin before transcription is complete in prokaryotes, but not eukaryotes?
Bacteria use the same stop codons as eukaryotes. However, bacterial transcription is also terminated in places where the mRNA folds back on itself to form a hairpin-looped structure like the one shown below. How do you think that this structure stops transcription?
Why can translation in prokaryotes begin before transcription ends?
Chapter 7 Solutions
Modified Mastering Microbiology with Pearson eText -- Standalone Access Card -- for Microbiology with Diseases by Taxonomy (5th Edition)
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. 5MCCh. 7 - Prob. 6MCCh. 7 - Prob. 7MCCh. 7 - Prob. 8MCCh. 7 - Prob. 9MCCh. 7 - Prob. 10MC
Ch. 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 - Prob. 15CTCh. 7 - What DNA nucleotide triplet codes for codon UGU?...Ch. 7 - Prob. 17CTCh. 7 - Prob. 1CMCh. 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 - Emerging Disease Case Study Vibrio Vulnificus...
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- Is an entire chromosome made into an mRNA during transcription?arrow_forwardGiven the following tRNA anticodon sequence, derive the mRNA and the DNA template strand. Also, write out the amino acid sequence of the protein encoded by this message. tRNA: UAC UCU CGA GGC mRNA: protein: How many hydrogen bonds would be present in the DNA segment?arrow_forwardWhich of the following is/are typically removed from pre-mRNA during nuclear processing in eukaryotes? (a) upstream leader sequences (b) poly-A tail (c) introns (d) exons (e) all the precedingarrow_forward
- In EUKARYOTIC translation, how does initiation of translation occur? a) What components of the mature mRNA are involved (2 components) and b) what proteins are involved (at least 2 proteins)?arrow_forwardIf there are 64 possible codons in the genetic code and the amino acid is specified by each, as read in the 5’ to 3’ direction from the mRNA sequence, which ones are STOP codons?arrow_forwardWhy it is that transcription & translation could be coupled in prokaryotic cell but not in eukaryotic cell?arrow_forward
- What could be the advantages and disadvantages of simultaneous translation and transcription in prokaryotes?arrow_forwardFor translation, identify two things that happen during each step - initiation, elongation and termination.arrow_forwardFor each of the following initiation factors, how would eukaryotic initiation of translation be affected if it were missing? A. eIF 2 B. eIF4 C. eIF5arrow_forward
- In prokaryotes, transcription and translation occur ________. simultaneously simultaneously in physically separate locations in physically separate locations in reverse order compared to eukaryotesarrow_forwardExplain why the translation of a given mRNA can be inhibited by a segment of its complementary sequence, a so-called antisense RNA.arrow_forwardTranslational control is usually aimed at preventing the initiation of translation. With regard to cellular efficiency, why do you think this is the case?arrow_forward
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