Osmosis occurs as water can cross the lipid bilayer through specialized channels for water movement called .

If a cell's main function is to produce proteins to be excreted, which organelles would you expect to be larger

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.

In two sentences explain the differences of neutrophil and macrophage