Electron micrographs following freeze fracture of the plasma membrane indicate that

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

The transport tubes for food coming down the plants are called?

What processes take place before the mature mrna exits the nucleus?