Prescott's Microbiology
10th Edition
ISBN: 9781259281594
Author: Joanne Willey, Linda Sherwood Adjunt Professor Lecturer, Christopher J. Woolverton Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 13.3, Problem 2RIA
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Describe the nature and functions of the following replication components and intermediates: DNA polymerases I and III, topoisomerase, DNA gyrase, helicase, single-stranded DNA binding proteins, Okazaki fragment, DNA ligase, leading strand, lagging strand, and primase.
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Chapter 13 Solutions
Prescott's Microbiology
Ch. 13.1 - MICRO INQUIRY Based on what we now know about...Ch. 13.1 - Retrieve, Infer, Apply 1. Briefly summarize the...Ch. 13.1 - Retrieve, Infer, Apply 2. Explain how protein was...Ch. 13.2 - MICRO INQUIRY To which carbon of ribose...Ch. 13.2 - MICRO INQUIRY How many H bonds are there between...Ch. 13.2 - Prob. 3MICh. 13.2 - Prob. 1RIACh. 13.2 - Retrieve, Infer, Apply What does it mean to say...Ch. 13.2 - Retrieve, Infer, Apply Amino acids are described...Ch. 13.3 - MICRO INQUIRY What provides the energy to fuel...
Ch. 13.3 - MICRO INQUIRY What is the difference between...Ch. 13.3 - MICRO INQUIRY Why cant DNA polymerase I perform...Ch. 13.3 - Retrieve, Infer, Apply How many replicons do...Ch. 13.3 - Retrieve, Infer, Apply Describe the nature and...Ch. 13.3 - Retrieve, Infer, Apply Outline the steps Involved...Ch. 13.3 - Retrieve, Infer, Apply What is the end replication...Ch. 13.4 - Why is the nontemplate strand called the sense...Ch. 13.4 - Retrieve, Infer, Apply The coding region of a gene...Ch. 13.4 - Which strand of a gene has sequences that...Ch. 13.4 - Briefly discuss the general organization of tRNA...Ch. 13.5 - MICRO INQUIRY Are the -35 and -10 regions...Ch. 13.5 - Retrieve, Infer, Apply Outline the transcription...Ch. 13.5 - Retrieve, Infer, Apply What is a polycistronic...Ch. 13.5 - Retrieve, Infer, Apply What is a consensus...Ch. 13.5 - Tabulate the similarities and differences between...Ch. 13.6 - Prob. 1MICh. 13.6 - Retrieve, Infer, Apply List the punctuation codons...Ch. 13.6 - What is the difference between a codon and an...Ch. 13.6 - Retrieve, Infer, Apply What is meant by code...Ch. 13.6 - Retrieve, Infer, Apply Is the genetic code truly...Ch. 13.7 - MICRO INQUIRY Why is simultaneous transcription...Ch. 13.7 - MICRO INQUIRY What would be the outcome if an...Ch. 13.7 - MICRO INQUIRY Why would it be impossible for...Ch. 13.7 - MICRO INQUIRY What provides the energy to fuel...Ch. 13.7 - Retrieve, Infer, Apply In which direction are...Ch. 13.7 - Retrieve, Infer, Apply Briefly describe the...Ch. 13.7 - Retrieve, Infer, Apply What are the translational...Ch. 13.7 - Retrieve, Infer, Apply Tabulate the nature and...Ch. 13.7 - Retrieve, Infer, Apply How many ATP and GTP...Ch. 13.8 - MICRO INQUIRY What are two distinguishing features...Ch. 13.8 - Retrieve, Infer, Apply What are molecular...Ch. 13.8 - Retrieve, Infer, Apply Would an intein-containing...Ch. 13.8 - Retrieve, Infer, Apply Give the major...Ch. 13.8 - Retrieve, Infer, Apply Which translocation or...Ch. 13.8 - Prob. 5RIACh. 13 - Streptomyces coelicolor has a linear chromosome....Ch. 13 - You have isolated several E. coli mutants: Mutant...Ch. 13 - DNA polymerase I (Pol I) of E. coli consists of...Ch. 13 - Prob. 4CHI
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- Summarize the functions of the following proteins in E. coli DNA replication: DNA polymerase I, DNA polymerase III, DnaA, helicase, SSB, primase, the sliding clamp, clamp loader, DNA ligase, Tus, and topoisomerases.arrow_forwardDescribe the rationale for column-based DNA extraction and purification.arrow_forwardDistinguish DNA-dependent DNA polymerases, DNA-dependent RNA polymerases, RNA-dependent RNA polymerases, and RNAdependent DNA polymerases in terms of their templates, products synthesized, and proofreading activity, as discussed in this and previous sectionsarrow_forward
- Recall the semi discontinuity in DNA replication. Is it biologically possible for DNA to undergo replication in vivo, without the lagging and the leading strands? In PCR, we also start with an antiparallel strand of DNA. Does this also mean that replication is semidiscontinuous in in vitro replication? PLEASE EXPLAIN COMPLETELY AND NOT JUST COPY PASTE ANSWERS FROM GOOGLE.arrow_forwardasaparrow_forwardExplain and list down the protocols in doing or preparation of materials for polymerase chain reaction.arrow_forward
- How does proofreading improve replication fidelity?arrow_forwardwhy does a higher agarose concentration render better resolution/separation of smaller DNA fragments? and what determines the distance of DNA fragments in gel electrophoresis?arrow_forwarda) "Out of three E.coli DNA polymerases, DNA polymerases 3 has a high processivity and rate of polymerization and therefore better suited for replication of the genome" What is meant by processivity? how does the DNA polymerase 3 maintain high processivity? b) What is a replication fork ?. Give the protein/enzymes of a replication fork and describe their function?arrow_forward
-  Proofreads each nucleotide its template as soon as it is added to the growing strand. A) DNA Ligase B) Helicase C) DNA Polyerase D) Primase The genetic code A) has no redundancy but does have ambiguity B) has both redundancy and ambiguity C) has redundancy and not ambiguity D) has ambiguity E) has redundancyarrow_forwardPls help ASAParrow_forwardFigure 2 illustrates the important elements of a cosmid.a) Briefly describe the importance of origin of replication in a cosmid and where are thecos sites derived from.b) The cloning capacity of a cosmid is up to 44 kilo base pairs. State TWO classes of DNAcloning vectors that have higher cloning capacity.arrow_forward
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