Answer:
option A " Polymerace chain reaction" (PCR)
Explanation:
polymerace chain reaction is a method in which millions to billions copies of DNA is formed by taking small about of DNA and amplify it for further studies.
It has following three steps:
1- Denaturation : in which un-winding of DNA occur by means of heat at approx 90 degree Celsius for some seconds
2- Annealing: is a step in which DNA priming occur.
3- Extension: complementary nucleotide is added.
B. heating a old home
In my opinion let’s just say if you have a old house and it starts getting very dusty. It would require more work to try fixing the heater.
It kind of depends.
<span>B) The cold front advances without bringing any change in the weather.</span>
Answer:
Tibia bone runs parallel to fibula.
