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.

[EX Q]:  Plasma LH and progesterone levels after single or multiple injections of synthetic LH - RH in anoestrous ewes and comparison with levels during the oestrous cycle .
[EX A]: Plasma LH

[EX Q]:  Cellular lysates were analyzed for luciferase and beta - galactosidase activities .
[EX A]: beta - galactosidase

[EX Q]:  Gene expression is in part controlled by chromatin remodeling factors and the acetylation state of nucleosomal histones .
[EX A]:
nucleosomal histones