In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.

[EX Q]:  Our data demonstrate that , in the context of this macrophage line , E12 induces expression of EBF and together these transcription factors coordinately regulate numerous B lineage - associated genes .
[EX A]: transcription factors

[EX Q]:  Human T cell leukemia virus type 1 ( HTLV - 1 ) Tax protein transforms primary human T cells in vitro .
[EX A]: Tax protein

[EX Q]:  The cytoplasmic receptors of leukaemia and lymphoblastoid lines appeared to contain both proteinaceous and phospholipid components .
[EX A]:
cytoplasmic receptors