Which type of protein stays only on the surface of the plasma membrane

Peripheral membrane proteins

Explanation: Hi, the Peripheral membrane is a Protein that is physically associated with a membrane, via interactions with lipid headgroups at the membrane surface or with another membrane protein. Peripheral membrane proteins are typically bound to the membrane surface, but may dip slightly into the lipid bilayer.  

Peripheral membrane proteins can form a multitude of higher-order structures due to membrane-mediated interactions.  

the oceanic zone is typically defined as the area of the ocean lying beyond the continental shelf, but operationally is often referred to as beginning where the water depths drop to below 100 meters (328 feet), seaward from the coast to the open ocean.

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