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5 Written questions

5 Matching questions

  1. phage
  2. euchromatin
  3. semiconservative model
  4. Okazaki fragment
  5. Mismatch repair
  1. a A short segment of DNA synthesized away from the replication fork on a template strand during DNA replication, many of which are joined together to make up the lagging strand of newly synthesized DNA.
  2. b A virus that infects bacteria; also called a bacteriophage.
  3. c Type of DNA replication in which the replicated double helix consists of one old strand, derived from the old molecule, and one newly made strand.
  4. d The less condensed form of eukaryotic chromatin that is available for transcription.
  5. e The cellular process that uses specific enzymes to remove and replace incorrectly paired nucleotides.

5 Multiple choice questions

  1. Site where the replication of a DNA molecule begins, consisting of a specific sequence of nucleotides.
  2. The new complementary DNA strand synthesized continuously along the template strand toward the replication fork in the mandatory 5'?3' direction.
  3. An enzyme that joins RNA nucleotides to make the primer using the parental DNA strand as a template.
  4. A protein that breaks, swivels, and rejoins DNA strands. During DNA replication, topoisomerase helps to relieve strain in the double helix ahead of the replication fork.
  5. Eukaryotic chromatin that remains highly compacted during interphase and is generally not transcribed.

5 True/False questions

  1. nucleoidAn enzyme that cuts DNA or RNA, either removing one or a few bases or hydrolyzing the DNA or RNA completely into its component nucleotides.


  2. bacteriophageOne of two prokaryotic domains, the other being Archaea.


  3. helicaseAn enzyme that joins RNA nucleotides to make the primer using the parental DNA strand as a template.


  4. bacteriaMember of the prokaryotic domain Bacteria.


  5. primerA short stretch of RNA with a free 3' end, bound by complementary base pairing to the template strand, that is elongated with DNA nucleotides during DNA replication.


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