The endosymbiosis hypothesis proposes that a small cell lived inside a larger cell to the benefit of both cells. two separate cells worked cooperatively and one benefited from the other. a large cell engulfed and digested a smaller cell, exposing its enzymes for use by the larger cell. two cells merged into one cell, improving the enzyme function of the new cell. Bacteria are cells, defined by the prokaryotic; absence of organelles eukaryotic; presence of a cell wall eukaryotic; absence of organelles prokaryotic; presence of a cell wall You are investigating a tissue sample from the respiratory tract of a patient who died of Covid. You need to look at the surface of the pateint's respiratory tract and cillia lining the respiratory pathway. Which type of microscope do you think you would be using? None of the above Scanning Electron Microscope Lasht Microscope Transmission Electron Microscope ?