Techniques Flashcards
0
Q
What happens if primer annealing temp is wrong?
A
Too high - primers melt off
Too low - off target amplification
1
Q
Reagents ended for PCR
A
- template DNA
- primers
- dNTPs
- mgCl2
- standard buffer
- taq
- water
2
Q
Formula for melting temperature (Tm)
A
Tm = 4(G+C) + 2(A+T) C
3
Q
What is the general annealing temp for a primer?
A
5 degrees lower than the Tm
4
Q
At what rate does taq extend?
A
100 bases/sec
5
Q
Stages of PCR
A
Denaturation
Amplification
Extension
6
Q
Disadvantages of Sanger sequencing
A
- not high throughput
- high cost per base