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.

 We examined the mechanisms by which two different types of photonic radiation , short wavelength UV ( UV - C ) and gamma radiation , activate transcription factor NF - kappaB .
NF - kappaB

 Long - range mapping by pulse - field gel electrophoresis indicated that the three mdr genes are closely linked on a genomic DNA segment of approximately 625 kilobases .
mdr genes

 Internal controls over the volume of milk suckled do not appear until infant rats are about 2 weeks of age at which time gastric distension , milk , systemic dehydration , and intestinal hormone cholecystokinin suppress milk intake derived through suckling .

intestinal hormone cholecystokinin

