Sentence Examples


  • Viruses represent a large group of infective agents that are composed of a core of nucleic acids, either RNA or DNA, surrounded by a layer of protein.
  • Retrovirus-A family of RNA viruses containing a reverse transcriptase enzyme that allows the viruses' genetic information to become part of the genetic information of the host cell upon replication.
  • Retrovirus-A family of RNA viruses containing a reverse transcriptase enzyme that allows the viruses' genetic information to become part of the genetic information of the host cell upon replication.
  • Retroviruses are composed of RNA molecules instead of DNA, and the only treatable one is the one that causes acquired immune deficiency syndrome (AIDS).
  • Vitamin E (15 mg or 22.4 IU): Prevents free radical damage and supports your body's ability to make DNA, RNA, and red blood cells.