PUMPS (proteins) pump molecules in and out of the cell by using energy
transport protieins may act as pumps moving ions or small molecules in either direction acroos the plasma membrane
No, they are made of atoms, ions or molecules, or other small particles that are not cells.
Yes.
Compliment proteins are small molecules found within the blood stream. The help or "compliment" the abilities of phagocytic cells and antibodies.
Tissues are connected to the cells organism by small molecules called cells.
Gap Junctions
The answer is gap junctions
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Small interfering RNA molecules can kill cancer cells by inhibiting the expression of oncogenes which give the cancer cells their cancerous properties.
Cells break down the higher-energy molecules and store the energy that is released in molecules of ATP. This is called cellular respiration.
digestion
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