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Chapter 7, Problem 13CT

On average, RNA polymerase makes one error for every 10,000 nucleotides it incorporates in RNA. By contrast, only one base-pair error remains for every 10 billion bp during DNA replication. Explain why the accuracy of RNA transcription is not as critical as the accuracy of DNA replication.

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Even though the eukaryotic genome is thousands of times larger than the prokaryotic genome, DNA replication times are relatively similar. Explain how this is possible.
From standpoint of replication and transcription, explain how RNA polymerase is allowed to incorporate the first nucleotide whereas DNA polymerase needs a primer. Explain how this difference impacts the process of replication and transcription.
As you should recall, DNA, when not being actively transcribed, has a double helical structure.  This portion of the DNA has had the two strands separated in preparation of transcribing for a needed protein.  The following is one of the two complimentary strands of DNA: 3' - AACCAGTGGTATGGTGCGATGATCGATTCGAGGCTAAAATACGGATTCGTACGTAGGCACT - 5'    Q:  Based on written convention, i.e. the 3'-5' orientation, is this the coding strand or the template   strand?  ______________________________ Q:  Assuming this strand extends from base #1 to #61 (going left to right), interpret the correctly transcribed mRNA and translated polypeptide for bases 24 - 47: mRNA:      ___-___-___-___-___-___-___-___-___-___-___-___-___-___-___-___-___-___-___-___-___-___-___-___- polypeptide chain:  ________--________--________--________--________--________--________--________

Chapter 7 Solutions

Microbiology with Diseases by Body System & Modified MasteringMicrobiology with Pearson eText -- ValuePack Access Card -- for Microbiology with Diseases by Body System Package

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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