Compound microscope im pretty sure is the answer!
B. Protein stimulates the release of insulin
The compound that smells like rotten egg is another pollutant, hydrogen sulfide with the chemical formula of H2S. This is specifically formed in the geothermal power plants because of the presence of the sulfur that when reacted with water or hydrogen may form the hydrogen sulfide.
The FSH will decrease and remain at a low level during the 15-28 days of the cycle because at this stage, the egg is waiting to be fertilized. The FSH needs to be low to prepare the uterus lining in case the egg will be fertilized.
I have seen several people get this wrong a lot. Cilia, which is more associated with cell movement is not so with Paramecium. To capture food, a Paramecium uses its cilia to capture food and transport it to the "mouth"