Which describes a light microscope but not an electron microscope?

Which class of organic compounds makes up the channels and pumps that move materials from one side of the cell membrane to the other? a.) carbohydrates b.) lipids c.) proteins d.) nucleic acids

When does dna replication(make a copy of itself)?

What would most likely happen to a unicellular organism if it was exposed to a hypotonic solution for an extended period of time?