DNA Replication and Cell Biology Quiz

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Questions and Answers

Where does DNA replication occur in the human cell?

  • On the sense and anti-sense strands in the same direction
  • On both strands in the same direction (correct)
  • On the anti-sense strand only
  • On the sense strand only

What prevents reformation of the double helix once the DNA strands have been separated during replication?

  • The binding of small DNA primers
  • Single-strand binding proteins (correct)
  • DNA polymerases
  • DNA helicase enzyme

How is the chromosome of a bacterial cell replicated?

  • The circular DNA molecule is replicated from multiple origins of replication bidirectionally (correct)
  • The circular DNA molecule is replicated from one origin of replication bidirectionally
  • The linear DNA molecule is replicated from one origin of replication bidirectionally
  • The linear DNA molecule is replicated from multiple origins of replication bidirectionally

What is the role of the 5' end of each Okazaki fragment?

<p>A separate RNA primer (A)</p> Signup and view all the answers

How are Okazaki fragments joined together?

<p>DNA Ligase (D)</p> Signup and view all the answers

How are the chromosomes of a eukaryote cell replicated?

<p>The linear DNA molecules are replicated from multiple origins of replication bidirectionally (B)</p> Signup and view all the answers

In DNA replication, what are the segments labelled F responsible for?

<p>Initiating DNA synthesis (C)</p> Signup and view all the answers

In the usual flow of genetic information, what represents the expression of genes?

<p>DNA → RNA → Protein (B)</p> Signup and view all the answers

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