 
			 
			MCQOPTIONS
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				| 1. | In terms of cell communication, what do bacterial pathogens such as cholera and anthrax have in common? | 
| A. | They destroy the receptors for key signaling molecules | 
| B. | They prevent the production of key signaling molecules | 
| C. | They alter the chemical structure of key signaling molecules | 
| D. | They block the normal functioning of signal transduction mechanisms | 
| Answer» E. | |