We use cookies to give you the best experience possible. By continuing we’ll assume you’re on board with our cookie policy

Check Writers' Offers

What's Your Topic?

Hire a Professional Writer Now

The input space is limited by 250 symbols

What's Your Deadline?

Choose 3 Hours or More.
2/4 steps

How Many Pages?

3/4 steps

Sign Up and Get Writers' Offers

"You must agree to out terms of services and privacy policy"
Get Offer

Biological Membranes

Paper type: Essay
Pages: 1 (221 words)
Downloads: 29
Views: 476

Internal membranes for organelles Bilayer Permeability • Low permeability to charged and polar substances • Water is an exception: small size, lack of charge, and its high concentration • Shedding solvation shells for ions is very unlikelyCommon Features of Biological Membranes Sheet-like structure TWO-molecule thick (60-100A) Lipids, Proteins, and carbohydrates Lipids form the barrier. Proteins mediate distinct functions.

Non-covalent assemblies (self-assembly, protein-lipid interaction) Asymmetric (always) Fluid structures: 2-dimensional solution of oriented lipids and proteins Electrically polarized (inside negative ~-60mV) Spontaneously forming in water Protein/lipid ratio = 1/4 – 4/1 Carbohydrate moieties are always outside the cell Protein/Lipid ratio • Pure lipid: insulation (neuronal cells) • Other membranes: on average 50% •

Energy transduction membranes (75%) Internal membranes of mitocondria and

Each atom i at position ri, is treated as a point with a mass mi and a fixed charge qi.

What is the Force Field? In molecular dynamics a molecule is described as a series of charged points (atoms) linked by springs (bonds). To describe the time evolution of bond lengths, bond angles and torsions, also the non-bonding van der Waals and elecrostatic interactions between atoms, one uses a force field.

The force field is a collection of equations and associated constants designed to reproduce molecular geometry and selected properties of tested structures. Energy Terms Described in the CHARMm Force Field

Cite this essay

Biological Membranes. (2018, Oct 23). Retrieved from https://studymoose.com/biological-membranes-essay

How to Avoid Plagiarism
  • Use multiple resourses when assembling your essay
  • Use Plagiarism Checker to double check your essay
  • Get help from professional writers when not sure you can do it yourself
  • Do not copy and paste free to download essays
Get plagiarism free essay

Not Finding What You Need?

Search for essay samples now


Your Answer is very helpful for Us
Thank you a lot!