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.
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Question:  The addition of novel techniques , such as histopathologic ultrastaging , immunohistochemistry staining , and reverse transcriptase polymerase chain reaction assays , will help increase the accuracy and rate of detection of disease .

Answer: reverse transcriptase


Question:  The fz - 1 and fz - 2 genes are widely expressed in rat tissues with the highest steady - state levels of mRNA in kidney , liver , heart , uterus , and ovary .

Answer: fz - 1


Question:  In situ hybridization reveals strong signals for Zep mRNA in the cerebellum and olfactory bulb with moderate signals detected in the hippocampus and cortex .

Answer:
Zep mRNA