Microbiology with Diseases by Body System (5th Edition)
5th Edition
ISBN: 9780134477206
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Chapter 7, Problem 7SA
Summary Introduction
To answer:
The interpretation of the RNA polymerase function with the DNA polymerase function, apart from the fact that it synthesizes RNA.
Introduction:
RNA polymerase is a type of enzyme that takes part in the transcription process. This enzyme separates the DNA strands and grows RNA chain
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Which of the following statements most accurately describes the action of the enzyme RNA polymerase?Select one
1.) RNA polymerase will transcribe only the exons by skipping over the introns within a eukaryotic gene sequence
2.) RNA polymerase will transcribe both DNA strands, moving in the 3' to 5' direction for one strand and 5' to 3' on the other
3.) RNA polymerase will transcribe both DNA strands, but only one RNA molecule will be used during translation
4.)None of the statements accurately describe the function of RNA polymerase
The characteristic way in which the DNA molecule is copied to form mRNA is most related to:
a) the ability of RNA polymerase to match the shape of and the charges of the DNA monomers to the complementary mRNA nucleotide monomers,
b) the ability of RNA polymerase to match the shape of and the charges of the DNA monomers to the anti-codons of tRNA,
c) The interaction with the cell membrane,
d) All of these
e) None of these are correct
The function of RNA polymerase is to
A) catalyze the formation of phosphodiester bonds between deoxyribonucleotides.
B) catalyze the formation of phosphodiester bonds between ribonucleotides.
C) cleave mRNA to remove introns.
D) activate tRNAs.
Chapter 7 Solutions
Microbiology with Diseases by Body System (5th 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 - If molecules of mRNA have the following nucleotide...Ch. 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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- What type of enzyme is telomerase? DNA-directed DNA polymerase DNA-directed RNA polymerase RNA-directed DNA polymerase RNA-directed RNA polymerasearrow_forward1) name three types of RNA in a cell and their functions; 9. What is the role of RNA polymerase? To answer the question please: 2) draw a scheme of RNA synthesis; 3) name the enzymes required for RNA synthesis.arrow_forwardWhat is the difference between eukaryotes and prokaryotes in terms of RNA polymerase?arrow_forward
- How does DNA replication in eukaryotes differ from the process in prokaryotes?arrow_forwardWhat enzymatic features of DNA polymerase prevent it from replicating one of the DNA strands at the ends of linear chromosomes? Compared with DNA polymerase, how is telomerase different in its ability to synthesize a DNA strand? What does telomerase use as its template for the synthesis of a DNA strand? How does the use of this template result in a telomere sequence that is tandemly repetitive?arrow_forwardWhich of the following types of enzymes is primarily responsible for setting up the genetic code? 1.) Kinases 2.) DNA ligase 3.) DNA gyrase 4.) peptidyl transferase 5.) aminoacyl tRNA synthetases (charging enzymes)arrow_forward
- Which of the following enzymes has the highest functional error? a) DNA Polymerase I b) DNA Polymerase II c) DNA Polymerase III d) RNA Polymerase I e) RNA Polymerase IIarrow_forwardWhich of the following is NOT true regarding the genetic code and translation? a) An mRNA is typically translated in only 1 reading frame. b) There are 64 different codons. c) Multiple amino acids may be coded for by a single codon. d) mRNA sequence is the reverse complement of the template strand of DNA.arrow_forwardWhat is the purpose and benefit of the polymerase chain reaction?arrow_forward
- Which of the following is true about DNA polymerase?a) It can synthesize DNA in the 5’ to 3’ directionb) It can synthesize DNA in the 3’ to 5’ directionc) It can synthesize mRNA in the 3’ to 5’ directiond) It can synthesize mRNA in the 5’ to 3’ directionarrow_forwardThe central dogma of molecular biology states simply that DNA encodes RNA, and RNA encodes protein. For each of the following processes, describe, 1) where in the cell they occur, 2) one important protein (or protein containing complex) involved 3) the result of this process. DNA replication Where?) Protein?) Result?) Transcription Where?) Protein?) Result?) Splicing Where?) Protein?) Result?) Translation Where?) Protein?) Result?)arrow_forwardIn E. Coli, which enzyme is responsible for removing and correcting mistake individual nucleotides during replication? O a) DNA Polymerase I b) RNA polymerase III O c) Nuclease d) DNA polymerase IIIarrow_forward
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