Shoe Inserts and Prescription Custom Orthotics. You've seen them at the grocery store and at the mall. You've probably even seen them on TV and online. Shoe inserts are any kind of non-prescription foot support designed to be worn inside a shoe. Pre-packaged arch supports are shoe inserts. So are the âcustom-madeâ insoles and foot supports that you can order online or at retail stores. Unless the device has been prescribed by a doctor and crafted for your specific foot, it's a shoe insert, not a custom orthotic deviceâdespite what the ads might say.
The membrane of a cell is basically made up of a mixture of lipids  and proteins. The other components of a membrane of a cell are  phospholipids and glycoproteins.3 people found this useful.ost of the cell membrane are made up of proteins and  phospholipids. The phospholipids make up the basic cell body, with  tiny holes scattered around. It is not a solid pie â¦ ce.
the cell membrane, and any other organelle membrane, are mainly composed of phospholipids and proteins and is typically described as phospholipid bi-layers. 99 Views Akash S Maney