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 purpose of synapsis in meiosis is to increase genetic variability. It does this as the homolog pairs match up, which means there are 4 chromosomes of like, but possibly unique, DNA data in the grouping.