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.

Q:  Pancreatic expression of the glucagon gene depends on multiple transcription factors interacting with at least three DNA control elements : G1 , the upstream promoter element , and G2 and G3 , two enhancer - like sequences .

A: glucagon gene
****
Q:  Elements regulating cell - and stage - specific expression of the C . elegans MyoD family homolog hlh - 1 .

A: hlh - 1
****
Q:  To examine the effect of the cAMP signal transduction pathway on transcription of the gene encoding the catalytic subunit of glucose - 6 - phosphatase ( G6Pase ) , G6Pase - chloramphenicol acetyltransferase ( CAT ) fusion genes were transiently transfected into either the liver - derived HepG2 or kidney - derived LLC - PK cell line .

A:
chloramphenicol acetyltransferase
****