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.
The salivary glands are located around the mouth. They produce saliva, which moistens food to help with chewing and swallowing. There are 3 main pairs of salivary glands. The parotid glands are the largest. They are located in each cheek in front of the ears. Two submandibular glands are under the floor of the mouth under both sides of the jaw. Two sublingual glands are under the floor of the mouth. There are also thousands of small salivary glands lining the rest of the mouth.