Which of the following components is not required in a standard polymerase chain reaction (PCR)?
A
Taq DNA polymerase
B
DNA primers
C
Helicase
D
Free DNA nucleotides (dNTPs)
Markscheme
Cloning and biotechnology Questions
39 exam-style questions on OCR A A Level Biology Cloning and biotechnology. Each one has a worked solution and a mark scheme showing where the marks go.