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:  Glutathione reductase activities in liver , kidney , lung , and brain were not affected by diet .

SOLUTION: Glutathione reductase

PROBLEM:  Both genes ARO3 and ARO4 are strongly regulated under the general control regulatory system .

SOLUTION: genes ARO3

PROBLEM:  PC12 cultures that had been " primed " in this way showed an accelerated and augmented differentiation response to nerve growth factor .

SOLUTION:
nerve growth factor