TASK DEFINITION: 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.
PROBLEM:  These cells also showed an increase in cyclin A and cyclin A - and E - associated kinase activities characteristic of S phase induction .

SOLUTION: cyclin A

PROBLEM:  Furthermore , we have identified the major open reading frame ( RF4 ; 2 . 3 kb ) as being essential for activation , and we have shown that the NF kappa B , SP1 , and TATA box motifs in the human immunodeficiency virus LTR are all required for full induction of the promoter by the HHV - 6 - encoded transactivator .

SOLUTION: NF kappa B

PROBLEM:  Analysis of 1 Mb of published sequence from the region of conserved synteny on human chromosome 5q31 - q33 identified 45 gene candidates , including 35 expressed genes in the human IL - 4 cytokine gene cluster .

SOLUTION:
IL - 4