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: C677T polymorphism of the methylenetetrahydrofolate reductase gene does not affect folic acid, vitamin B12, and homocysteine serum levels in Turkish children with neural tube defects.

A: methylenetetrahydrofolate reductase
****
Q: A unique cytosolic activity related but distinct from NQO1 catalyses metabolic activation of mitomycin C.

A: NQO1
****
Q: Yohimbine dimers exhibiting selectivity for the human alpha 2C-adrenoceptor subtype.

A:
human alpha 2C-adrenoceptor
****