Receptor sites are proteins typically found on the surface of cells, which are able to recognize and bond to specific messenger molecules.
5 - 8
Like all cells, bacteria have receptor sites on the surface of their cell, which allow them to bond with molecules and receive signals from outside cells. Sometimes, receptor sites are utilized by viruses, like these bacteriophages, to infect and harm it.
Photograph by KATERYNA KON / SCIENCE PHOTO LIBRARY
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May 20, 2022
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