helppppp uctureothe plasma membrane and label the parts Define Hydrophobic Hydro
ID: 52755 • Letter: H
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helppppp uctureothe plasma membrane and label the parts Define Hydrophobic Hydrophilic Amphipathic Zwitterion Amphoteric soelectric pH Margination Emigration 3. What are the different types of amphiphathic molecules in the plasma membrane and their explain their orientation in the membrane 4. Name the phospholipids molecules found in the membrane and draw their structure. 5. What are the structural differences between phospholipids and glycolipids 6. What are the factors which affect the membrane fluidity and how do they affect the fluidity? 7. Which form of the phospholipids bilayer is favorable form? Planar or sealed bilayer and why? 8. Describe the asymmetry of the lipid bilayer and where and how this asymmetry is generated? 9. Describe the different types 10. What are the different ways that proteins can associate with the lipid bilayer? 11. How do polypeptide chains usually cross the lipid bilayer? 12. Describe the structure of porin protein. 13. Compare and contrast the structure and function of two different type of detergents used to of plasma membrane proteins and give examples. solubilize the membrane proteins 14. How do detergents wash the dirt off the clothes? 15. Describe in detail the structure of bacteriorhodopsin and the photosynthetic reaction center 16. What is cell cortex and describe the role of spectrin in red blood cell 17. What are the different types of cell surface carbohydrates and how do they differ structurally 18. How 19. Using an experiment, prove that plasma membrane proteins can move 20. Explain the FRAP technique 21. What are the different features that restrict the lateral mobility of plasma membrane proteins? do carbohydrates help in cell-cell recognition during an immune response to an infectionExplanation / Answer
Hydrophobic - It is the physical property of a molecule, where it aggregates non polar components and repels polar or water molecule.
Hydrophillic - These are substances which have strong affinity for water molecule.
Amphipathic - These are compounds which posses both hydrophobic and hydrophillic property.
Zwitter ion - These are molecules which have electrically neutral charge at a given pH. example. Amino acids.
Amphoteric - These are compounds or molecules that can act either as an acid or as a base.
Iso electric pH - It is the pH at which the compounds are netural in an electric field. That is the compounds are in zwitterion state.
Margination - It is the process by which the freely flowing leukocytes exit from their blood stream and initiate leukocyte and endothelial cells interaction.
Emigration - It is the process by which leukocytes passes through the blood vessels. It is also called as diapedesis.
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