Answer :
To complete the sentence "The plasma membrane has a double layer of phospholipids with proteins dispersed throughout." Transport proteins move particles and particles over the layer. They can be sorted by the Transporter Classification database. Film proteins may have numerous exercises, for example, oxidoreductase, transferase or hydrolase.
The plasma membrane has proetins and cholesterol dispersed through out. The proteins helps in the transport of various molecules/ compounds in and out of the membrane. Cholesterol however, provides rigidity to the membrane.It can be 20% of the total membrane volume.