Receptor Enzymes MCQ

Test your knowledge with important Receptor Enzymes MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Receptor Enzymes MCQs at Bissoy

• Ras protein is a ____________
  ক

  G-protein switch

  খ

  Small monomeric GTPase switch protein

  গ

  Serine-threonine kinase

  ঘ

  Tyrosine kinase
• Which of the following is a short-lived messenger that acts by stimulating a soluble guanylyl cyclase, raising and stimulating PKG?
  ক

  and stimulating PKG? ] NO

  খ

  cGMP

  গ

  cGMP

  ঘ

  cGMP
• Which of the following is not responsible of producing diarrhea? b) Increase in Cl– secretion c) Decrease in reabsorption of water by the intestinal epithelium d) Decrease in Cl– secretion
  ক

  Elevation in

  খ

  cGMP

  গ

  cGMP

  ঘ

  cGMP
• cGMP-dependent protein kinase is also called ____________
  ক

  Protein kinase B

  খ

  Protein kinase A

  গ

  Protein kinase G

  ঘ

  Protein kinase C
• Activation of guanylyl cyclase produces ____________
  ক

  Guanosine 3’, 5’-cyclic monophosphate

  খ

  Guanosine 2’, 5’-cyclic monophosphate

  গ

  Guanosine 4’, 5’-cyclic monophosphate

  ঘ

  Guanosine 1’, 5’-cyclic monophosphate
• Protein kinase ERK is activated by phosphorylation of ____________
  ক

  Only Thr

  খ

  Only Tyr

  গ

  Both Thr and Tyr

  ঘ

  Only Ser
• The enzyme activated by cyclic AMP, passing on the hormonal signal is ____________
  ক

  Protein kinase B

  খ

  Protein kinase A

  গ

  Protein kinase C

  ঘ

  G protein receptor kinase
• Which of the following is false about phosphorylation by IRS on serine residue?
  ক

  It is an inhibitory phosphorylation

  খ

  It is molecular mechanism for insulin resistance

  গ

  It increases insulin levels

  ঘ

  Target tissues fail to respond to circulating insulin
• cAMP and cGMP are derived from ____________
  ক

  ATP and GTP by the actions of guanylate cyclase and adenylate cyclase respectively

  খ

  ATP and GTP by the actions of adenylate cyclase and gualnlate cyclase respectively

  গ

  GTP and ATP by the actions of adenylate cyclase and guanylate cyclase respectively

  ঘ

  None of the mentioned
• SH2 domain specifically binds to _____________
  ক

  GDP

  খ

  Ca+2

  গ

  Phosphorylated tyrosine residues

  ঘ

  Phosphorylated serine residues