What is the layer of the sun from wich energy is produced?

Where substance is produced during cellular respiration

Where in the cell are ribosomes made?

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