So you didn’t finish your question.
They hypothalamus is responsible for the regulation of certain metabolic processes and other activities of the autonomic nervous system. It controls body temperature, hunger, thirst, fatigue, sleep etc. It is located in the brain below the thalamus.
It would become a metamorphic rock.
The phospholipid bilayer is a non covalent aggregate; the lipids and the proteins molecules are held together chemical interactions such as vander waal's forces and hydrogen bond. The vander waals forces hold the hydrophobic tails together while the hydrogen bond helps to stabilize the lipid bi-layer structure.