MCQOPTIONS
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| 1. |
In small intestine, cholera toxin acts by______________? |
| A. | ADP – ribosylation of the G regulatory protein |
| B. | Inhibition of adenyl cyclase |
| C. | Activation of GTPase |
| D. | Active absorption of NaCI |
| Answer» B. Inhibition of adenyl cyclase | |