The diagram below shows part of a DNA replication bubble. The template DNA strands are shown in dark blue, the primers are shown in red, and the newly synthesized DNA is shown in light blue. The 5' end of one of the primers is labeled. Molecules involved in DNA replication are shown in grey, with each shape representing a different molecule. One protein has not yet bound itself to the replication bubble, but the dotted arrow shows where it will bind. Answer the following questions, assuming the replication is typical with no errors. • If this is eukaryotic replication, what is the molecule labeled B? • If this is eukaryotic replication, what is the molecule labeled C? • If this is eukaryotic replication, what is the molecule labeled D? enzymes not named in lecture helicase • Which is the lagging strand? [Select] Which ends of the template DNA are 5' ends? [Select] JAX 3 5" B [Select] [Select] DNA polymerase I sigma DNA primase Lell topoisomerase DNA polymerase delta licensing factors DNA polymerase III initiator proteins DNA polymerase alpha 2 4 E

The diagram below shows part of a DNA replication bubble. The template DNA strands are shown in dark blue, the primers are shown in red, and the newly synthesized DNA is shown in light blue. The 5' end of one of the primers is labeled. Molecules involved in DNA replication are shown in grey, with each shape representing a different molecule. One protein has not yet bound itself to the replication bubble, but the dotted arrow shows where it will bind. Answer the following questions, assuming the replication is typical with no errors. • If this is eukaryotic replication, what is the molecule labeled B? • If this is eukaryotic replication, what is the molecule labeled C? • If this is eukaryotic replication, what is the molecule labeled D? enzymes not named in lecture helicase • Which is the lagging strand? [Select] Which ends of the template DNA are 5' ends? [Select] JAX 3 5" B [Select] [Select] DNA polymerase I sigma DNA primase Lell topoisomerase DNA polymerase delta licensing factors DNA polymerase III initiator proteins DNA polymerase alpha 2 4 E

Name: for the lagging strand, is it the upper or the lower? • Which ends of
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Description: for the lagging strand, is it the upper or the lower? • Which ends of the template DNA are 5' ends? [Select][Select]1 & 41 & 313AB5'1 & 22 & 33 & 4none of these2 & 42TT²E The diagram below shows part of a DNA replication bubble. The template DNA stra

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter8: The Structure, Replication, And Chromosomal Organization Of Dna

Section: Chapter Questions

Problem 23QP: How does DNA replication occur in a precise manner to ensure that identical genetic information is...

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Below is a diagram of DNA replication as currently believed to occur in E. coli. From specific points, arrows are provided that lead to numbers. Answer the questions below relating to the locations specified by the numbers. (02) What end (5’ or 3’) of the molecule is here? (State which) What enzyme is probably functioning here to deal with supercoils in the DNA? What enzyme is probably functioning here to unwind the DNA? What nucleic acid is probably depicted here? What are these short DNA fragments usually called? What enzyme probably functions here to couple these two newly synthesized fragments of DNA? Is this strand the leading or lagging strand? What end (5’ or 3’) of the molecule is here? (State which)
Show the replication strands in each of these bubbles (note they have different DNA orientations). Label each end of each DNA strand and include arrows to show which direction it is extending. Show the Okazaki fragments in the correct places. 3' 5'
The figure below depicts various elements of the eukaryotic replication machinery in action. Enter the name for the protein depicted by each box. Box A Box B Box C Box D Box E Box F DNA polymerase on lagging strand (just finishing an Okazaki fragment) F Maintains polymerase association with DNA Enzyme extends separation of DNA strands Synthesizes RNA fragments that hybridize to DNA Relaxes supercoiled DNA ahead of replication fork Maintains DNA is single stranded state Promotes binding of processivity factors to DNA Newly synthesized strand pocoar Leading-strand template A New Okazaki fragment RNA primer E Lagging-strand template DNA polymerase on leading strand B C D Saaragon - Next Okazaki fragment will start here Parental DNA helix
Briefly discuss the pros and cons of having a nucleoid (as bacteria do) versus a double nuclear membrane surrounding the DNA (as in eukaryotes). List and explain three reasons why DNA replication is very accurate.
The image shows a replication fork, template DNA strands, and new DNA strands. Label the image. and 13' 15' 3' 5' Answer Bank lagging strand leading strand replication fork template DNA strands
What proteins are crucial for creating and maintaining DNA replication forks? Choose the best explanation. Question 2 options: Helicase creates the replication fork; primase keeps the single strands from closing shut. Helicase creates the replication fork; single-strand binding proteins keep the single strands from reuniting. Ligase creates the replication fork; DNA polymerase II keeps the single strands from reuniting. Helicase creates the replication fork; ligase keeps the single strands from closing shut.
Answer the following questions with regards to DNA replication:1. In what direction does DNA polymerase read the parent strand?2. Describe why Okazaki fragments are formed (1-2 sentences)3. In no more than one sentence describe the function of the following enzymes as it pertains to DNA replication in E. coli : DNA polymerase III, primase and ligase
Fill in the blank spaces below with the most appropriate terms. The word bank is not provided. DNA replication in bacterium Escherichia coli begins at a site in the DNA called At the replication fork, the strand is synthesized continuously while the strand is synthesized discontinuously (in fragments). The new DNA strand, which is synthesized discontinuously, initially consists of short DNA pieces that are called A short RNA primer at the beginning of each of the DNA fragments is synthesized by an enzyme called and this RNA primer is later removed by the enzyme called using its activity. Single-strand breaks (nicks) that are left behind in this process are sealed by the enzyme called A Moving to another question w!l save this resporse Quebon 4 In
Match the following descriptions with the enzymes involved in DNA replication. Adds an RNA primer to begin elongation Removes the RNA primer from the beginning of the newly constructed strands Splices lagging strand segments Cleaves the rung of the DNA double helix ladder Description: Answer Answer Answer Answer Enzyme: Helicase DNA Polymerase Primase DNA Ligase
The image shows a replication fork with template DNA strands, new DNA strands, and some replication proteins. Label the mage by moving the terms or descriptive phrases to the appropriate targets. lagging strand (or Okazaki fragment) Answer Bank protein that synthesizes RNA primer DnaB helicase DNA gyrase (topoisomerase)
Indicate the proteins involved in the following steps of DNA replication in E. coli a. ___________ initiator of replication by binding to the origin of replication of the prokaryote ___________ a dimer that unzips the DNA helix ___________ an enzyme responsible for relieving positive supercoils ahead of replication fork ___________ maintains DNA in single-stranded state ___________ primary replicating enzyme ___________ synthesizes RNA primers The resulting gap by removal of RNA primer is filled in by ___________. h. the resulting nick is sealed by _____________.
In the following diagram of a replication fork, primers are shown as thick black lines and newly synthesized DNA is shown as squiggly lines. Enzymes are shown as circles or boxes. Click on DNA polymerase I 3' 5' 7 c 34 % G Search or type URL 3' MacBook Pro & 5' + (: * II in 3 5' 3' +