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Cyclic AMP Signal Mechanism: Final Exam Questions and Answers, Exams of Community Health

A comprehensive set of questions and answers related to the cyclic amp signal mechanism. It covers key aspects of the process, including the roles of hormones, g proteins, adenylate cyclase, and protein kinases. Valuable for students studying cell signaling and biochemistry, offering a structured approach to understanding this important biological process.

Typology: Exams

2024/2025

Available from 01/10/2025

Nursebrahim01
Nursebrahim01 🇺🇸

485 documents

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FINAL EXAM FOR CAMP WITH
ANSWERS
Cyclic AMP signal involves a _______, ________, and
_______. - CORRECT ANSWER-Hormone receptor, G protein,
and effector enzyme (adenylate cyclase)
1. Hormone binds to receptor
2. Receptor activates G protein
3. G protein activates adenylate cyclase
4. Adenylate cyclase converts ATP to cyclic AMP
5. Cyclic AMP activates protein kinases - CORRECT
ANSWER-Steps in cyclic AMP signal mechanism
In the cAMP process, the hormone acts as the _______. -
CORRECT ANSWER-First messenger
In the cAMP process, the receptor binds to an inactive ______.
- CORRECT ANSWER-G protein
G protein is activated when GDP is displaced by _____. -
CORRECT ANSWER-GTP
The effector enzyme in cyclic AMP signal mechanism is _____.
- CORRECT ANSWER-Adenylate cyclase
During cyclic AMP mechanism, G protein ______ (Gs)
adenylate cyclase, but at other times it can _______ (Gi)
adenylate cyclase. - CORRECT ANSWER-stimulate and inhibit
Adenylate cyclase generates second messenger ____ ____
from ATP. - CORRECT ANSWER-Cyclic AMP
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FINAL EXAM FOR CAMP WITH

ANSWERS

Cyclic AMP signal involves a _______, ________, and _______. - CORRECT ANSWER-Hormone receptor, G protein, and effector enzyme (adenylate cyclase)

  1. Hormone binds to receptor
  2. Receptor activates G protein
  3. G protein activates adenylate cyclase
  4. Adenylate cyclase converts ATP to cyclic AMP
  5. Cyclic AMP activates protein kinases - CORRECT ANSWER-Steps in cyclic AMP signal mechanism In the cAMP process, the hormone acts as the _______. - CORRECT ANSWER-First messenger In the cAMP process, the receptor binds to an inactive ______.
  • CORRECT ANSWER-G protein G protein is activated when GDP is displaced by _____. - CORRECT ANSWER-GTP The effector enzyme in cyclic AMP signal mechanism is _____.
  • CORRECT ANSWER-Adenylate cyclase During cyclic AMP mechanism, G protein ______ (Gs) adenylate cyclase, but at other times it can _______ (Gi) adenylate cyclase. - CORRECT ANSWER-stimulate and inhibit Adenylate cyclase generates second messenger ____ ____ from ATP. - CORRECT ANSWER-Cyclic AMP

The second messenger - CORRECT ANSWER-Cyclic AMP Cyclic AMP activates _____ ______. - CORRECT ANSWER- Protein kinases Enzymes that phosphorylate various proteins and other enzymes. Triggers responses of target cell (activates enzymes, stimulates cellular secretion, opens ion channels). - CORRECT ANSWER-Protein kinases Cyclic AMP signal involves a _______, ________, and _______. - CORRECT ANSWER-Hormone receptor, G protein, and effector enzyme (adenylate cyclase)

  1. Hormone binds to receptor
  2. Receptor activates G protein
  3. G protein activates adenylate cyclase
  4. Adenylate cyclase converts ATP to cyclic AMP
  5. Cyclic AMP activates protein kinases - CORRECT ANSWER-Steps in cyclic AMP signal mechanism In the cAMP process, the hormone acts as the _______. - CORRECT ANSWER-First messenger In the cAMP process, the receptor binds to an inactive ______.
  • CORRECT ANSWER-G protein G protein is activated when GDP is displaced by _____. - CORRECT ANSWER-GTP The effector enzyme in cyclic AMP signal mechanism is _____.
  • CORRECT ANSWER-Adenylate cyclase During cyclic AMP mechanism, G protein ______ (Gs) adenylate cyclase, but at other times it can _______ (Gi) adenylate cyclase. - CORRECT ANSWER-stimulate and inhibit