MDCAT Biology MCQ #1212

MDCAT Biology MCQ #1212

1. Question 1

   Q1. Why are molecular beacons used in real-time PCR?

   • A) To amplify the target DNA
   • B) To detect the presence of the target DNA
   • C) To increase the specificity of the PCR reaction
   • D) To label the PCR product for later analysis

   Answer: To detect the presence of the target DNA

   Explanation: Molecular beacons detect the presence of target DNA; They fluoresce when bound to the target sequence.