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MCQs

Total Questions : 154 | Page 3 of 16 pages
Question 21. How are the intrinsic proteins in cell membrane distributed?
  1.    Uniform
  2.    Random
  3.    Symmetric
  4.    Asymmetric
 Discuss Question
Answer: Option D. -> Asymmetric
Answer: (d).Asymmetric
Question 22. Plasma membrane is permeable to __________
  1.    ATP
  2.    Glucose
  3.    K⁺
  4.    Urea
 Discuss Question
Answer: Option D. -> Urea
Answer: (d).Urea
Question 23. Which of the following is not one of the states of lipids?
  1.    Para crystalline state
  2.    Liquid ordered state
  3.    Liquid disordered state
  4.    Crystalline state
 Discuss Question
Answer: Option D. -> Crystalline state
Answer: (d).Crystalline state
Question 24. Which of the following arrangement based on the increasing order of motion is correct?
  1.    Uncatalysed transverse motion, transverse diffusion catalyzed by flippase, uncatalysed lateral diffusion
  2.    Uncatalysed lateral diffusion, uncatalysed transverse motion, transverse diffusion catalyzed by flippase
  3.    Uncatalysed transverse motion, uncatalysed lateral diffusion, transverse diffusion catalyzed by flippase
  4.    Transverse diffusion catalyzed by flippase, uncatalysed lateral diffusion, uncatalysed transverse motion
 Discuss Question
Answer: Option A. -> Uncatalysed transverse motion, transverse diffusion catalyzed by flippase, uncatalysed lateral diffusion
Answer: (a).Uncatalysed transverse motion, transverse diffusion catalyzed by flippase, uncatalysed lateral diffusion
Question 25. Movement of phospholipids from side to side is called ____________
  1.    Facilitated diffusion
  2.    Lateral diffusion
  3.    Transverse diffusion
  4.    Simple diffusion
 Discuss Question
Answer: Option B. -> Lateral diffusion
Answer: (b).Lateral diffusion
Question 26. Movement of phospholipids to opposite sides is called ____________
  1.    Facilitated diffusion
  2.    Lateral diffusion
  3.    Transverse diffusion
  4.    Simple diffusion
 Discuss Question
Answer: Option C. -> Transverse diffusion
Answer: (c).Transverse diffusion
Question 27. Trans bilayer diffusion is also called ____________
  1.    Facilitated diffusion
  2.    Lateral diffusion
  3.    Flip flop
  4.    Simple diffusion
 Discuss Question
Answer: Option C. -> Flip flop
Answer: (c).Flip flop
Question 28. Which of the following is an example of peripheral membrane protein?
  1.    Insulin receptor
  2.    Glycophorin
  3.    Integrin
  4.    Glycolipid transfer proteins
 Discuss Question
Answer: Option D. -> Glycolipid transfer proteins
Answer: (d).Glycolipid transfer proteins
Question 29. Which of the following proteins does not function in cell-cell interaction?
  1.    Integrin
  2.    Cadherin
  3.    N-CAM
  4.    Cytochrome c
 Discuss Question
Answer: Option D. -> Cytochrome c
Answer: (d).Cytochrome c
Question 30. Which of the following is an example of heterodimeric protein?
  1.    Integrin
  2.    Antibodies
  3.    Receptor tyrosine kinase
  4.    G-protein coupled receptor
 Discuss Question
Answer: Option A. -> Integrin
Answer: (a).Integrin

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