Which is the definition for polygenic inheritance?

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

What is the period of cell life when it is conducting

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