Prize-Winning Quiz: How Much Do You Know about DNA Synthesis?

1. DNA replication is the biological process of producing two identical replicas of DNA from one original DNA molecule.

• True

  172

   
• False

  11

   

2. DNA synthesis refers to the process by which RNA is made from DNA.

• True

  9

   
• False

  172

   

3. Deoxynucleotides are the nucleotides that stop DNA replication and tag the new DNA with a fluorescent label.

• True

  26

   
• False

  155

   

4. If a DNA molecule is found to be composed of 40% thymine, 20% guanine would be expected.

• True

  20

   
• False

  161

   

5. The enzymes that break hydrogen bonds and unwind DNA are helicases.

• True

  175

   
• False

  6

   

6. DNA ligase seals gaps between DNA fragments (Okazaki fragments).

• True

  166

   
• False

  15

   

7. Okazaki fragments form on the leading strand.

• True

  34

   
• False

  147

   

8. The Hershey-Chase research showed that DNA was the molecule of heredity.

• True

  142

   
• False

  39

   

9. Non-homologous end joining is less likely to produce mutations than homologous recombination.

• True

  66

   
• False

  115

   

10. There are only 20 different amino acids but 64 possible codons, most amino acids are indicated by more than one codon.

• True

  174

   
• False

  6