Which sequence is correct according to the procedure of PCR ?()
A: denaturation → extension → annealing
B: denaturation → annealing → extension
C: annealing → denaturation→ extension
D: Extension → annealing → denaturation
A: denaturation → extension → annealing
B: denaturation → annealing → extension
C: annealing → denaturation→ extension
D: Extension → annealing → denaturation
举一反三
- PCR<br/>process includes three steps, they are() A: denaturation B: annealing C: extention D: cooling
- The proper preliminary heat treatment for T12 steel is . A: complete annealing B: homogenizing annealing C: spheroidizing annealing D: isothermal annealing
- DNA变性(DNA denaturation)
- DNA变性（DNA denaturation）
- 开启mysqli扩展的配置语句是（ ）。 A: extension=php_mysql.dll B: extension=php_mysqli.dll C: extension=php_pdo_mysql.dll D: extension=php_gd2.dll