What property of emulsifiers enables them to bridge between hydrophilic and hydrophobic substances?

In what for do plants utilize nitrogen? why do they need nitrogen?

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the:

According to the cell theory, which describes cells? a. all organisms are composed of multiple cells. b. all cells have the same structure and function. c. cells are found in everything on earth. d. living organisms are not created spontaneously