information technology

  1. what is antigen and RT-PCR. An antigen is any substance that causes your immune system to produce antibodies against it. This means your immune system does not recognize the substance, and is trying to fight it off. An antigen may be a substance from the environment, such as chemicals, bacteria, viruses, or pollen. Reverse transcription polymerase chain reaction, RT–PCR is a variation of PCR, or polymerase chain reaction. ... This means PCR is used for pathogens, such as viruses and bacteria, that already contain DNA for amplification, while RT–PCR is used for those containing RNA that needs to be transcribed to DNA for amplification. it is a laboratory technique combining reverse transcription of RNA into DNA and amplification of specific DNA targets using polymerase chain reaction. It is primarily used to measure the amount of a specific RNA.  2.life of people in this situation  In this current  pandemic situation, the life of people have become v...