What is the essence of the reverse transcription process? What enzyme catalyzes this process?

What is the essence of the reverse transcription process? What enzyme catalyzes this process? What does this mean for the life cycle of a virus?

The stages of reverse transcription may vary depending on the virus family, i.e. from the type of their nucleic acids. Consider first those viruses that use revertase. Here the OT process is divided into 3 stages: 1) Synthesis of the “-” RNA chain on the matrix “+” of the RNA chain.
2) The destruction of the “+” RNA chain in the RNA-DNA complex using the RNase N.
3) Synthesis of a double-stranded DNA molecule on the “-” matrix of the RNA chain. This method of virion propagation is characteristic of some oncogenic viruses and human immunodeficiency virus (HIV).
Another way of reverse transcription is based on the action of RNA synthetase. In this case, the third stage of RT is absent – the formation of double-stranded DNA, but instead the “+” RNA chain is synthesized on the matrix of the viral “-” RNA chain and vice versa.
The RT process is of paramount importance in the life cycle of many viruses (primarily retroviruses such as HIV). RNA of the virion that attacked the eukaryotic cell becomes the matrix for the synthesis of the first DNA strand, on which it is not difficult to complete the second strand. The obtained double-stranded DNA of the virus is inserted into the eukaryotic genome, which leads to the activation of the synthesis of virion cells and the appearance of a large number of copies of it inside the infected cell. This is the main mission of revertase and RT in general for the virus.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.