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:  Central ( heart rate , VE , VO2 ) or local ( muscle and blood lactate , adenosine triphosphate , creatine phosphokinase , glycogen ) cues highlighted in these studies demonstrate both the complexity of effort perception , and the need for better understanding of the physiological components upon which it is based .

SOLUTION: creatine phosphokinase

PROBLEM:  The 5 - HT3 antagonist ondansetron reduced alcohol intake in both the medium and high alcohol preferring rats at doses between 0 . 01 and 0 . 16 mg / kg .

SOLUTION: 5 - HT3

PROBLEM:  Protein kinase C transiently activated heteromeric N - methyl - D - aspartate receptor channels independent of the phosphorylatable C - terminal splice domain and of consensus phosphorylation sites .

SOLUTION:
Protein kinase C