Starting with one molecule of DNA, how many copies are present after 5 cycles of PCR?
Answer and explanation
Correct answer: B. 32
- Step 1: Each cycle doubles the amount of DNA.
- Step 2: After 5 cycles: .
Answer
32.
Why not the others: 10: the cycles were multiplied by 2. 25: the cycles were squared. 64: 6 cycles were used.
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