Primers in PCR

  1. separate the strands
  2. bind to the ends of the target sequence to start DNA synthesis
  3. are made of RNA polymerase
  4. cut the DNA
Answer

B) bind to the ends of the target sequence to start DNA synthesis

Short complementary sequences. AS & A Level Biology · Topic 19 Genetic Technology · 19.1 Principles of genetic technology

Biology MCQ · More A Level Biology: Genetic technology MCQs · Practise