Best Answer: Membrane proteins can be divided into several categories: Integral membrane proteins which are permanently bound to the lipid bilayer. Peripheral membrane proteins that are temporarily associated with lipid bilayer or with integral membrane proteins. Lipid-anchored proteins bound to lipid bilayer bound through lipidated amino acid residues.
When one or more of these glands is infected, it is called parotitis. Submandibular glands are located on each side of your jaw below the jawbone. Sublingual glands sit on the bottom of your mouth under your tongue. Additionally, hundreds of small (minor) salivary glands deposit saliva from ducts around your mouth.
1 Pimples on tongue can be a result of some kind of injury to the tongue caused by scraping or biting.  Oral thrush or oral candidiasis â a yeast infection â can also cause pimples on tongue. This is a fungal infection and you may see pimples on other parts of the body as well like the armpits or groin.