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ChapterBiochemistry Signal Transduction

Second Messengers in Signal Transduction

Free notes, MCQs, tables & flowcharts for INI-CET Biochemistry

10Questions
10Flashcards
3Tables & Flowcharts

Sample Questions

1

Which one of the following acts as second messenger?

ACl-

BCa++

CPO4³⁻

DMg++

2

All the following mediate their action using cAMP as second messenger except:

AGlucagon

BDopamine

CCorticotropin

DVasopressin

3

Many signaling pathways involve the generation of inositol trisphosphate (IP3) and diacylglycerol (DAG). These molecules are involved in the regulation of which cellular processes?

ADNA replication and cell division

BProtein synthesis and degradation

CLipid metabolism and fatty acid synthesis

DCalcium signaling and protein kinase C activation

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