Most starch stored in cells of a potatoe is composed of molecules that originally entered cells as

Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials

Which is the correct formula for photosynthesis

Substances that can pass through cell membranes by diffusion include a. na ions. b. proteins c. glucose. d. oxygen.