PATHOLOGY MCQ
ENDOCRINE SYSTEM
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which is NOT a common Second Messenger?
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cAMP
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cGMP
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Ca+
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Cl-
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Explanation:
Detailed explanation-1: -Sodium does not serve as the secondary messenger for any hormone.
Detailed explanation-2: -In 1984 it was discovered that IP3 acts as a secondary messenger that is capable of traveling through the cytoplasm to the endoplasmic reticulum (ER), where it stimulates the release of calcium into the cytoplasm.
Detailed explanation-3: -Calcium. The calcium ion (Ca2+) is perhaps the most common intracellular messenger in neurons. Cyclic nucleotides. Diacylglycerol and IP3. Nitric oxide.
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