Aetna Medicare Prescription Drug Plans. A Medicare-approved Part D sponsor. Aetna is the brand name used for products and services provided by one or more of the Aetna group of subsidiary companies. Plans are offered by Aetna Life Insurance Company (Aetna). Aetna Pharmacy Management refers to an internal business unit of Aetna Health Management, LLC.
DNA replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules.
When RNA's base sequence is used to determine the base sequence of a new strand of DNA, that is called reverse transcription. This is because the process is the reverse of tr â¦ anscription, which involves copying the base sequence of DNA to form RNA, including messenger RNA (mRNA).Answered. In Cell Biology (cytology).he type of RNA that copies DNA is known as the messenger RNA or mRNA. There are other types of RNA these include the transfer RNA (tRNA), and the ribosomal (rRNA).