The RNA primers used to initiate replication in E. coli

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Question:
The RNA primers used to initiate replication in E. coli

1.result in Okazaki fragments on leading strand

2.are removed by Pol I

3.are joined together by DNA ligase

4.are removed by helicase + ATP

Posted Date:-2021-03-07 10:53:13

More MCQS Questions and answers

  1. An RNA primer is synthesized by
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  3. Proteins which help to open the double helix for DNA synthesis are
  4. Which enzyme catalyzes the elongation of DNA molecules?
  5. Which of the following is not true of small inbreeding populations?
  6. During conventional transformation experiments E. coli cells and plasmid DNA interacts in an environment of
  7. Okazaki fragments occur on the __________ and are bonded together by _________
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  10. A plasmid
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  16. Both DNA gel electrophoresis and SDS-PAGE of proteins are similar because
  17. DNA replication in eukaryotes occurs only in
  18. DNA replication results in
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  20. DNA with a G-C content of 50% will melt at approximately
  21. First discovered, Type II restriction endonuclease was
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  25. In an agarose gel, DNA is moving from
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  31. Plant transformation can be obtained by
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  33. Restriction enzymes
  34. Restriction enzymes are named for
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  40. The RP13 gene of chromosome 17 codes for a protein __________ .
  41. The site on a bacterial chromosome that marks the initiation point for chromosome replication is called
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  43. The transfer of antibiotic-resistant genes from genetically engineered bacteria to disease-causing bacteria __________ .
  44. There is a single origin for DNA replication in bacteria. How many origins of replication are found in the much larger genomes of eukaryotes such as mammals?
  45. TM refers to the temperature at which
  46. Under which of the following conditions would population gene frequencies remain the same?
  47. What does ligase do during replication of DNA?
  48. What enzyme forms covalent bonds between restriction fragments?.
  49. What is the IUPAC code for an A, C, T ambiguity in a nucleic acid sequence?
  50. What is the name given to the points at which a DNA helix is unwound and new strands develop?
  51. When populations are small, gene frequencies can change from generation to generation and some alleles may become fixed in a population. This is called __________ .
  52. Which of the following are short nucleotides strands made by DNA polymerase working in the opposite direction of the replication fork?
  53. Which of the following genetic diseases would be amenable to genetic engineering?
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  55. Which of the following is an active site on its single polypeptide chain for DNA Polymerase I?
  56. Which of the following is correct in terms of determination of location of genetic traits?
  57. Which of the following is correct?
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  60. Which of the following techniques can be used to determine the defective gene and for developing cancer?
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  62. Which of these genes codes for a protein that plays a role in growth?
  63. Which of these genes codes for a protein that plays a role in white blood cell function?
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  67. Which will require a higher temperature to denature?
  68. Who's X-ray work aided Watson and Crick in their discovery of the double helix?
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