Biochemistry Questions and Answers – Membrane Dynamics

This set of Biochemistry Multiple Choice Questions & Answers (MCQs) focuses on “Membrane Dynamics”.

1. Which of the following is not one of the states of lipids?
a) Para crystalline state
b) Liquid ordered state
c) Liquid disordered state
d) Crystalline state
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2. Which of the following arrangement based on the increasing order of motion is correct?
a) Uncatalysed transverse motion, transverse diffusion catalyzed by flippase, uncatalysed lateral diffusion
b) Uncatalysed lateral diffusion, uncatalysed transverse motion, transverse diffusion catalyzed by flippase
c) Uncatalysed transverse motion, uncatalysed lateral diffusion, transverse diffusion catalyzed by flippase
d) Transverse diffusion catalyzed by flippase, uncatalysed lateral diffusion, uncatalysed transverse motion
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3. Movement of phospholipids from side to side is called ____________
a) Facilitated diffusion
b) Lateral diffusion
c) Transverse diffusion
d) Simple diffusion
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4. Movement of phospholipids to opposite sides is called ____________
a) Facilitated diffusion
b) Lateral diffusion
c) Transverse diffusion
d) Simple diffusion
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5. Trans bilayer diffusion is also called ____________
a) Facilitated diffusion
b) Lateral diffusion
c) Flip flop
d) Simple diffusion
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6. Which of the following is an example of heterodimeric protein?
a) Integrin
b) Antibodies
c) Receptor tyrosine kinase
d) G-protein coupled receptor
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7. Which of the following is an example of peripheral membrane protein?
a) Insulin receptor
b) Glycophorin
c) Integrin
d) Glycolipid transfer proteins
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8. Which of the following proteins does not function in cell-cell interaction?
a) Integrin
b) Cadherin
c) N-CAM
d) Cytochrome c
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9. Which of the following integral membrane protein is a special class of membrane rafts?
a) Caveolin
b) Integrin
c) Cadherin
d) Selectin
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10. Which of the following is one of the family of immunoglobin like proteins that mediate Ca⁺²?
a) N-CAM
b) Integrin
c) Cadherin
d) Selectin
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Sanfoundry Global Education & Learning Series – Biochemistry.

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