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:  Vibrio cholerae iron transport : haem transport genes are linked to one of two sets of tonB , exbB , exbD genes .

A: exbD genes
****
Q:  But if one equalizes the upper limits of normal for both markers to a common 95 % specificity , the tumour - indicating sensitivity of CA 19 - 9 clearly surpasses that of CA 50 .

A: CA 50
****
Q:  Hematopoietic progenitor kinase 1 ( HPK1 ) is a member of the mitogen - activated protein kinase kinase kinase kinase ( MAP4K ) family and an upstream activator of the c - Jun N - terminal kinase ( JNK ) signaling cascade .

A:
c - Jun
****