A virus achieves host specificity through on the surface of the capsid or envelope, which bind to the host cell. lipids sugars nucleic acids proteins

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer