Back to quiz

6. Why is the enzyme DNA Polymerase used in PCR?

  • It is the only enzyme which will join to a DNA primer, which is essential for PCR.
  • Because it is able to withstand the temperature that is needed to break the hydrogen bonds to separate the DNA strands when PCR is repeated.
  • Because it is an enzyme that works quickly.

7. There is a time period when using body temperature to predict time of death can be used, what is this time period?

  • 36 hours.
  • 18 hours.
  • 24 hours.
  • 48 hours