Home › Quizzes › DNA: Structure, Replication, and Molecular Biology

DNA: Structure, Replication, and Molecular Biology

Test your knowledge on DNA structure, replication mechanisms, enzymes, mutations, DNA repair, and central dogma processes (transcription and translation).

15 Questions Published
Play Quiz Practise this topic out loud

Questions

Question 1 Multiple Choice (Single Answer)

What is the name of the sugar-phosphate backbone of DNA?

  1. Deoxyribose
  2. Ribose
  3. Adenine
  4. Thymine
Question 2 Multiple Choice (Single Answer)

Which of the following is NOT a nitrogenous base found in DNA?

  1. Adenine
  2. Thymine
  3. Guanine
  4. Uracil
Question 3 Multiple Choice (Single Answer)

What is the complementary base pair to adenine in DNA?

  1. Thymine
  2. Cytosine
  3. Guanine
  4. Uracil
Question 4 Multiple Choice (Single Answer)

What is the name of the enzyme that unwinds the DNA double helix during replication?

  1. Helicase
  2. Polymerase
  3. Ligase
  4. Primase
Question 5 Multiple Choice (Single Answer)

Which enzyme adds nucleotides to the growing DNA strand during replication?

  1. Helicase
  2. Polymerase
  3. Ligase
  4. Primase
Question 6 Multiple Choice (Single Answer)

What is the name of the enzyme that joins the Okazaki fragments on the lagging strand during DNA replication?

  1. Helicase
  2. Polymerase
  3. Ligase
  4. Primase
Question 7 Multiple Choice (Single Answer)

What is the name of the short RNA molecule that primes DNA synthesis on the lagging strand during replication?

  1. Helicase
  2. Polymerase
  3. Ligase
  4. Primase
Question 8 Multiple Choice (Single Answer)

What is the name of the structure that forms at the replication fork during DNA replication?

  1. Replication bubble
  2. Replication fork
  3. Replication origin
  4. Replication terminus
Question 9 Multiple Choice (Single Answer)

What is the name of the point on the DNA molecule where replication begins?

  1. Replication bubble
  2. Replication fork
  3. Replication origin
  4. Replication terminus
Question 10 Multiple Choice (Single Answer)

What is the name of the point on the DNA molecule where replication ends?

  1. Replication bubble
  2. Replication fork
  3. Replication origin
  4. Replication terminus
Question 11 Multiple Choice (Single Answer)

Which of the following is NOT a type of DNA mutation?

  1. Substitution
  2. Deletion
  3. Insertion
  4. Transversion
Question 12 Multiple Choice (Single Answer)

Which of the following is NOT a type of DNA repair mechanism?

  1. Base excision repair
  2. Nucleotide excision repair
  3. Mismatch repair
  4. Recombination repair
Question 13 Multiple Choice (Single Answer)

What is the name of the process by which DNA is copied from one generation to the next?

  1. Replication
  2. Transcription
  3. Translation
  4. Mutation
Question 14 Multiple Choice (Single Answer)

What is the name of the process by which DNA is converted into RNA?

  1. Replication
  2. Transcription
  3. Translation
  4. Mutation
Question 15 Multiple Choice (Single Answer)

What is the name of the process by which RNA is converted into protein?

  1. Replication
  2. Transcription
  3. Translation
  4. Mutation
← Back to Quizzes