Biochemistry Receptor Enzymes Online Exam Quiz
Biochemistry Receptor Enzymes GK Quiz. Question and Answers related to Biochemistry Receptor Enzymes. MCQ (Multiple Choice Questions with answers about Biochemistry Receptor Enzymes
cAMP and cGMP are derived from ____________
Options
A : ATP and GTP by the actions of guanylate cyclase and adenylate cyclase respectively
B : ATP and GTP by the actions of adenylate cyclase and gualnlate cyclase respectively
C : GTP and ATP by the actions of adenylate cyclase and guanylate cyclase respectively
D : None of the mentioned
Which of the following is not responsible of producing diarrhea?
Options
A : Elevation in [cGMP]
B : Increase in Cl– secretion
C : Decrease in reabsorption of water by the intestinal epithelium
D : Decrease in Cl– secretion
SH2 domain specifically binds to _____________
Options
A : GDP
B : Ca+2
C : Phosphorylated tyrosine residues
D : Phosphorylated serine residues
Ras protein is a ____________
Options
A : G-protein switch
B : Small monomeric GTPase switch protein
C : Serine-threonine kinase
D : Tyrosine kinase
Activation of guanylyl cyclase produces ____________
Options
A : Guanosine 3’, 5’-cyclic monophosphate
B : Guanosine 2’, 5’-cyclic monophosphate
C : Guanosine 4’, 5’-cyclic monophosphate
D : Guanosine 1’, 5’-cyclic monophosphate
Which of the following is false about phosphorylation by IRS on serine residue?
Options
A : It is an inhibitory phosphorylation
B : It is molecular mechanism for insulin resistance
C : It increases insulin levels
D : Target tissues fail to respond to circulating insulin
Which of the following is a short-lived messenger that acts by stimulating a soluble guanylyl cyclase, raising [cGMP] and stimulating PKG?
Options
A : NO
B : NO2
C : NO3–
D : N2O
Protein kinase ERK is activated by phosphorylation of ____________
Options
A : Only Thr
B : Only Tyr
C : Both Thr and Tyr
D : Only Ser
The enzyme activated by cyclic AMP, passing on the hormonal signal is ____________
Options
A : Protein kinase B
B : Protein kinase A
C : Protein kinase C
D : G protein receptor kinase
cGMP-dependent protein kinase is also called ____________
Options
A : Protein kinase B
B : Protein kinase A
C : Protein kinase G
D : Protein kinase C
Chemical Engineering Basics - Part 1 more Online Exam Quiz
Biochemistry Protein Synthesis
Biochemistry Protein Targeting Degradation
Biochemistry Protein Tertiary Quaternary Structures
Biochemistry Regulation Cell Cycle Protein Kinases
Biochemistry Regulation Gene Expression Prokaryotes
Biochemistry Regulation Metabolic Pathways