MDCAT Biology MCQ #1203

MDCAT Biology MCQ #1203

1. Question 1

   Q1. Why is it advantageous to use a thermostable DNA polymerase in PCR?

   • A) It increases the yield of the product
   • B) It reduces non-specific binding
   • C) It allows for higher annealing temperatures
   • D) It withstands the high temperatures of the denaturation step

   Answer: It withstands the high temperatures of the denaturation step

   Explanation: Thermostable DNA polymerase withstands denaturation temperatures, remaining active; It is essential for PCR.