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.
DNA replication is the process by wich one double helix of DNA is dublicated into two identical double helices which are also identical to the mother DNA. The process is carriâ¦ed by specific enzymes. RNA transcription is the process by which a messanger RNA copy of the active strand of a DNA helix is made. This process is carried by different enzymes and the result is a single strand of mRNA.