A bacterium releases a toxin that binds to and acivates a G protein-coupled recepto in the mamm alian gut. The result is high levels of cAMP in these cells. This toxin might work by: 1.binding to and inhibiting the G protein coupled receptor in these cells  causing the alpha subunit of the G proetin to stay associated iwth he Beta dn Gamma subunits.  3. CAusing the alpha subunit of the G protein to bind GDP constantly 4. Causing adenylyl cyclase to dissociate from the membrane  5. binding to and activating the G protein-coupled recptor in these cells.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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A bacterium releases a toxin that binds to and acivates a G protein-coupled recepto in the mamm alian gut. The result is high levels of cAMP in these cells. This toxin might work by:

1.binding to and inhibiting the G protein coupled receptor in these cells 

causing the alpha subunit of the G proetin to stay associated iwth he Beta dn Gamma subunits.

 3. CAusing the alpha subunit of the G protein to bind GDP constantly

4. Causing adenylyl cyclase to dissociate from the membrane 

5. binding to and activating the G protein-coupled recptor in these cells.

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