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MCQs

Total Questions : 137 | Page 2 of 14 pages
Question 11. Which of the following is described by the fluid mosaic model?
  1.    Nucleus
  2.    Plasma membrane
  3.    Endoplasmic reticulum
  4.    Ribosome
 Discuss Question
Answer: Option B. -> Plasma membrane
Answer: (b).Plasma membrane
Question 12. Mark the component which is not the part of lipid bilayer?
  1.    Glycerol or Sphingosine
  2.    Fatty acids
  3.    Tryptophan and methionine
  4.    Phosphate
 Discuss Question
Answer: Option C. -> Tryptophan and methionine
Answer: (c).Tryptophan and methionine
Question 13. What is the name of the hollow sphere formed by lipid bilayer?
  1.    Cholesterol
  2.    Lipid raft
  3.    Micelle
  4.    Liposome
 Discuss Question
Answer: Option D. -> Liposome
Answer: (d).Liposome
Question 14. Which of the following is ABC transport protein that transport lipid in opposite direction?
  1.    ATPase
  2.    Scramblase
  3.    Floppases
  4.    Flippase
 Discuss Question
Answer: Option C. -> Floppases
Answer: (c).Floppases
Question 15. Out of the following, which is not an ATP dependent transporter of lipid?
  1.    V-type ATPase
  2.    Scramblase
  3.    Flippase
  4.    Floppases
 Discuss Question
Answer: Option B. -> Scramblase
Answer: (b).Scramblase
Question 16. Name the signaling which requires physical contacts between the cells involved.
  1.    Paracrine signaling
  2.    Intracellular signaling
  3.    Autocrine signaling
  4.    Juxtacrine signaling
 Discuss Question
Answer: Option D. -> Juxtacrine signaling
Answer: (d).Juxtacrine signaling
Question 17. Name the largest family of cell surface receptor?
  1.    GPCR
  2.    Ion-channel receptor
  3.    Enzyme-linked receptor
  4.    Nuclear receptor
 Discuss Question
Answer: Option A. -> GPCR
Answer: (a).GPCR
Question 18. Mark the signal molecule which does not interact with cell surface receptor.
  1.    Insulin
  2.    Glucagon
  3.    Testosterone
  4.    Gastrin
 Discuss Question
Answer: Option C. -> Testosterone
Answer: (c).Testosterone
Question 19. Which of the following G-protein takes part in the regulation of vision?
  1.    Gs family
  2.    Gi family
  3.    Gq family
  4.    Golf
 Discuss Question
Answer: Option B. -> Gi family
Answer: (b).Gi family
Question 20. Name the family of monomeric G-protein which regulates the growth of the cell?
  1.    Ras
  2.    Rab
  3.    Ran
  4.    Rho
 Discuss Question
Answer: Option A. -> Ras
Answer: (a).Ras

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