Becker's World of the Cell (9th Edition)
9th Edition
ISBN: 9780321934925
Author: Jeff Hardin, Gregory Paul Bertoni
Publisher: PEARSON
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Chapter 17, Problem 17.1CC
Bacterial replication and that in typical eukaryotes have many features in common but also several differences. What are at least three similarities of replication in each type of organism? At least three differences?
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DNA Replication occurs on both prokaryotes and eukaryotes. Although they have a similar genetic flow, there are small differences in between. What are the differences of DNA replication in prokaryotes and eukaryotes? What is/are the major difference/s?
a) Under normal conditions E. coli produces three DNA polymerases. State their functional similarities and differences.
b) List the other proteins and enzymes involved in DNA replication in E.coli and give their functions.
1) A bacterial chromosome contains 6.4 million nucleotides of DNA. If synthesis at each replication fork occurs at a rate of 1800 nucleotides per second, how many minutes will it take to completely replicate the chromosome with theta replication?
2) What different mRNA sequences can code for a polypeptide chain with the amino acid sequence Met-Trp-Ile? (Include the stop codon)
Chapter 17 Solutions
Becker's World of the Cell (9th Edition)
Ch. 17 - The theoretical amplification accomplished by n...Ch. 17 - Bacterial replication and that in typical...Ch. 17 - Nonhomologous end-joining and synthesis-dependent...Ch. 17 - Prob. 17.3CCCh. 17 - Meselson and Stahl Revisited. For each of the...Ch. 17 - DNA Replication. Sketch a replication fork of...Ch. 17 - More DNA Replication. The following are...Ch. 17 - QUANTITATIVE Still More DNA Replication. Suppose...Ch. 17 - The Minimal Chromosome. To enable it to be...Ch. 17 - Prob. 17.6PS
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Explain the following statement : a) initiation of bacteriall DNA replication is an energy requiring process b) bacterial DNA polymerase can enter the termination sequence but cannot exisarrow_forwardGiven the following DNA sequence: 5’-ATGCGGCCAAGGTCAGAGTGACA-3’ a) If this DNA strand represents the “Sense Strand” of DNA, what would be the RNA sequence? b) If this DNA strand represents the “Antisense Strand” of DNA, what would be the RNA Sequence? c) What would be the other strand of DNA?arrow_forwardSort the phrases into the appropriate bins depending on which protein they describe. 1) Binds at the replication fork 2) binds after the replication fork 3) binds ahead of the replication fork 4) breaks H-bonds between bases 5) prevents H-bonds between bases 6) breaks covalent bonds in DNA backbone Helicase: Topoisomerase: Single-strand binding protein:arrow_forward
- 2) Replicating structures in DNA can be observed in the electron microscope. Regions being replicated appear as bubbles. a) How many replication forks are present? b) Assuming bidirectional replication, how many origins of replication are active in this DNA molecule? c) Assuming that all replication forks move at the same speed, which origin of replication was activated first (left, middle or right)? Why?arrow_forwardSuppose that replication is initiated in a medium containing moderately radioactive tritiated thymine. After a few minutes of incubation, the bacteria are transferred to a medium containing highly radioactive tritiated thymidine. Sketch the autoradiographic pattern that would be seen for (a) undirectional replication and (b) bidirectional replication, each from a single origin.arrow_forwardIn DNA replication, there are leading and lagging strands because A) DNA replication is conservative and a completely new DNA molecule must be made. B) DNA replication is semiconservative and each strand is copied simultaneously in opposite directions. C) the strands of DNA are parallel and are copied in the same direction simultaneously. D) one strand of DNA is copied faster than the other.arrow_forward
- "TyeshaTummings" Which identifies the lagging strand in the figure of replication, above? a) a b) b c) c d) d e) none of the above 10. Which identifies the template strand in the figure of replication, above? a) a b) b с) с d) d e) none of the above 11.arrow_forwardNatural selection on the molecular level has produced ribozymes capable of self-replication in the laboratory. How does this occur?arrow_forwardIf the sequence of one single strand of DNA is C-A-A-G-T-A-G-G-C-T, what is the sequence of the complementary strand? Describe the origin of each strand of the new double helices created after DNA replication. Why is DNA replication important to the growth and development of a multicellular organism? Place the following terms in the correct order from smallest to largest: Nucleosome, supercoils, coils, chromosome, DNA double helixarrow_forward
- The following statements are correct EXCEPT: A) Information in the DNA is transcribed int mRNA and translated into proteins B) Information in the DNA is translated int mRNA and transcribed into proteins C) Information in the DNA is copied by DNA polymerase D) The lagging strand during DNA replication is synthesized continuously to form the okazaki fragments E) B and Darrow_forwardWhen a cell is to divide, its DNA must be replicated (copied). a) Indicate the main participating components and their functions. b) Why is it important that the replication goes right and that relatively few mutations occur during the replication?arrow_forwardWhich of the following is NOT correct concerning the initiation of replication in E. coli? Question 29 options: A) It involves a region of the DNA called oriC. B) DnaA proteins bind to the DNA to begin separation of the strands. C) The strands are initially separated at GC-rich regions of DNA. D) Following initial separation, enzymes continue to separate the parental DNA strands around the rest of the chromosome.arrow_forward
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Bacterial Genomics and Metagenomics; Author: Quadram Institute;https://www.youtube.com/watch?v=_6IdVTAFXoU;License: Standard youtube license