It Would Then Be Useful to Determine If the Mechanism

question 18

Multiple Choice

It would then be useful to determine if the mechanism of action for the XFF - XFF receptor is similar to that of estrogen or epinephrine. To test this, you use a nonhydrolyzable analog of GTP in the reaction mixture. If the mechanism is still similar to that of epinephrine, you would expect the cellular responses would be

• A)delayed.
• B)blocked.
• C)prolonged.
• D)both B and C
• E)You cannot determine this from the given information.

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