Ch 15 DNA Structure and Function Quiz
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Questions and Answers

What are the two purines found in DNA?

  • Adenine and Thymine
  • Cytosine and Thymine
  • Adenine and Cytosine
  • Guanine and Cytosine (correct)

Who contributed to the understanding of DNA by isolating purified DNA crystals?

  • Franklin
  • Chargaff
  • Watson and Crick
  • Wilkins (correct)

What does the 5' end of a DNA molecule represent?

  • The region where DNA can't replicate
  • The end where DNA can grow from
  • The end opposite to the front
  • The beginning of a DNA molecule (correct)

What is formed during DNA replication on the lagging strand?

<p>Okazaki Fragments (A)</p> Signup and view all the answers

Which scientist unveiled the double helix structure of DNA using X-Ray Crystallography?

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

What is the key enzyme necessary to attach Okazaki fragments and complete the DNA molecule?

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

During DNA replication, which enzyme is responsible for adding RNA primers?

<p>DNA Primase (A)</p> Signup and view all the answers

In DNA replication, which enzyme is crucial for linking Okazaki fragments?

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

What is the specific function of DNA Helicase in DNA replication?

<p>Unwinding the DNA double helix (B)</p> Signup and view all the answers

Which enzyme is responsible for synthesizing new DNA strands during DNA replication?

<p>DNA Polymerase (A)</p> Signup and view all the answers

What is the ploidy of diploid cells?

<p>Having two copies of every chromosome (B)</p> Signup and view all the answers

Which process is faster due to less DNA and simultaneous duplication and separation in prokaryotes?

<p>Binary fission (C)</p> Signup and view all the answers

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