1 Cytarabine, commonly known as TarabineÂ®, CytarabineÂ®, or Cytosar-UÂ®, is a drug used to treat certain cancers, most notably leukemia found in dogs and cats. 2  Chemically, it is a pyrimidine analog that functions inside cells as an antimetabolite.rand Names and Other Names of Cytarabine. 1  This drug is registered for use in humans only. 2  Human formulations: TarabineÂ® (Adria), CytarabineÂ® (Faulding), Cytosar-UÂ® (Gensia Sicor), and generic cytarabine.
According to Biologists, synapsis is only known to occur in  prophase 1 stage in meiosis because it is responsible for paring  homologous chromosomes. This event does not oc â¦ cur in mitosis. Suzanne (Zanbabe) Benner. 1,477,969 Contributions.
The daughter cells produced by mitosis are identical, whereas the daughter cells produced by meiosis are different because crossing over has occurred. The events that occur in meiosis but not mitosis include homologous chromosomes pairing up, crossing over, and lining up along the metaphase plate in tetrads.