Microbiology with Diseases by Body System (4th Edition)
4th Edition
ISBN: 9780321918550
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Chapter 7, Problem 21MC
Summary Introduction
Introduction:
Transcription is a process where the DNA molecule is converted into RNA molecule with the help of enzymes. The RNA molecule in turn directs the protein synthesis. Prokaryotic transcription is a mechanism in which the messenger RNAs are produced from the DNA. The mRNA was then subjected to the translation process for the protein production. Whereas in eukaryotes, both the transcription and translation process occur simultaneously in the cytoplasm.
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Students have asked these similar questions
Prokaryotes are lacking
in their DNA sequence.
A. introns
В. еxons.
C. promoter sites
D. operons
If glucose is absent, but so is lactose, the lac operon will be ________. a. activated b. repressed c. activated, but only partially d. mutated
For each of the following, match with the stage of gene expression being regulated.
DNA methylation
Feedback inhibition
Operons
Poly-A tail length
A.
Post-translational regulation
B.
Transcriptional regulation
C.
DNA packaging
D.
Translational regulation
Chapter 7 Solutions
Microbiology with Diseases by Body System (4th Edition)
Ch. 7 - DNA replication requires a large amount of energy,...Ch. 7 - Vibrio vulnificus Infection Greg enjoyed Floridas...Ch. 7 - Prob. 2TMWCh. 7 - Prob. 3TMWCh. 7 - Why is the genetic ancestry of microbes much more...Ch. 7 - Prob. 1CCSCh. 7 - Which of the following is most likely the number...Ch. 7 - Which of the following is a true statement...Ch. 7 - A plasmid is ___________. a. a molecule of RNA...Ch. 7 - Prob. 4MC
Ch. 7 - Prob. 5MCCh. 7 - Which of the following molecules functions as a...Ch. 7 - Prob. 7MCCh. 7 - Prob. 8MCCh. 7 - The Ames test ___________. a. uses auxotrophs and...Ch. 7 - Which of the following methods of DNA repair...Ch. 7 - Prob. 11MCCh. 7 - Prob. 12MCCh. 7 - Which of the following statements is true? a....Ch. 7 - Prob. 14MCCh. 7 - Although two cells are totally unrelated, one cell...Ch. 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 - Before mutations can affect a population...Ch. 7 - Prob. 25MCCh. 7 - Fill in the Blanks 1. The three steps in RNA...Ch. 7 - Fill in the Blanks 2. A triplet of mRNA...Ch. 7 - Fill in the Blanks 3. Three effects of point...Ch. 7 - Fill in the Blanks 4. Insertions and deletions in...Ch. 7 - Fill in the Blanks 5. An operon consists of...Ch. 7 - Prob. 6FIBCh. 7 - Prob. 7FIBCh. 7 - Fill in the Blanks 8. A gene for antibiotic...Ch. 7 - Fill in the Blanks 9. ______ are nucleotide...Ch. 7 - Fill in the Blanks 10. ____________ is a...Ch. 7 - Fill in the Blanks 11.________ RNA carries amino...Ch. 7 - Fill in the Blanks 12. ______ RNA and ______ RNA...Ch. 7 - How does the genotype of a bacterium determine its...Ch. 7 - List several ways in which eukaryotic messenger...Ch. 7 - Compare and contrast intrans and exons.Ch. 7 - Polypeptide synthesis requires large amounts of...Ch. 7 - Describe the operon model of gene regulation.Ch. 7 - Prob. 6SACh. 7 - Prob. 7SACh. 7 - Describe the formation and function of mRNA, rRNA,...Ch. 7 - Prob. 9SACh. 7 - Explain the central dogma of genetics.Ch. 7 - Compare and contrast the processes of...Ch. 7 - Fill in the following table:Ch. 7 - On the figure below, label DNA polymerase I, DNA...Ch. 7 - Prob. 2VICh. 7 - The drugs ddC and AZT are used to treat AIDS....Ch. 7 - Prob. 1CTCh. 7 - A scientist uses a molecule of DNA composed of...Ch. 7 - Explain why an insertion of three nucleotides is...Ch. 7 - How could scientists use siRNA to turn off a...Ch. 7 - Prob. 5CTCh. 7 - Prob. 6CTCh. 7 - Prob. 7CTCh. 7 - Prob. 8CTCh. 7 - Corynebacterium diphtheriae, the causative agent...Ch. 7 - Prob. 10CTCh. 7 - The endosymbiotic theory states that mitochondria...Ch. 7 - Hydrogen bonds between complementary nucleotides...Ch. 7 - On average, RNA polymerase makes one error for...Ch. 7 - We have seen that wobble makes the genetic code...Ch. 7 - If a scientist synthesizes a DNA molecule with the...Ch. 7 - What DNA nucleotide triplet codes for codon UGU?...Ch. 7 - Suppose you want to insert into your dog a gene...Ch. 7 - Using the following terms, fill in the following...
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- Prokaryotic gene regulation occurs at the level of ________. a. translation b. transcription c. both transcription and translationarrow_forwardIn order for the lac operon to be triggered, lactose must be present and ________. a. cAMP levels low b. glucose stores depleted c. glucose levels higharrow_forwardA double stranded region of RNA that can stall ribosomes is a(n) A. repressor sequence B. operator sequence C. antiterminator hairpin D. terminator hairpinarrow_forward
- In terms of gene expression, the regulation of lac operon is an example of? A. Post-transcriptional regulation B. Alternative splicing C. Splicing D. Transcriptional regulation E. Post-translational regulationarrow_forwardAs trytophan levels increase in the cell, _____ bind(s) to active aporepressors, causing ______ of tryptophan operon. a. inducers, negative regulation b. repressors, co-repressing c. tryptophan, negative regulation d. tryptophan, positive regulation e. B-lactose, negative regulationarrow_forwardWhich of the following gene regulation mechanisms are found ONLY in prokaryotes? a. coordinate regulation b. transcriptional regulation c. alternative splicing d. translational regulation e. DNA modificationsarrow_forward
- Which of these BEST DESCRIBE tryptophan in the Trp Operon? A. Acts as a corepressor B. Acts as a coactivator C. Acts as an inducer D. Acts as an enhancerarrow_forwardIn the trp operon, tryptophan is best characterized as being a: A. repressor B. inducer C. corepressor D. DNA-binding domainarrow_forward______is a function of the large ribosomal subunit A.endonucleasE B.tRNA transferase C. phosphorylase D.Transcription initiation E. peptidyl transferasearrow_forward
- In prokaryotes, the trp operon is under ________ that ________ prevents RNA polymerase from binding. a. negative regulation; biochemically b. negative regulation; physically c. positive regulation; biochemicallyarrow_forwardEukaryotic transcription has the following regulatory upstream element (region) in addition to promoter region, which regulates of RNA polymerase and transcription A. Enhancer B.Operon C.Transposon D. Mutationarrow_forwardWhich of the following is NOT found in a prokaryotic genome? A. tRNA genes B. Operons C. Enhancers D. All of these are found in a prokaryotic genome E. Histone genesarrow_forward
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