List the similarities and differences between cellular DNA replication and the RNA genome replication process used by coronaviruses.

What causes darkening of the skin as melanin production increases

Give an example of a trait that is controlled by more than one gene.

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