Lamellar models, Biology

Assignment Help:

LAMELLAR MODELS

  1. According to James Danielly & Hugh Davson (1935) cell membrane consists of 4 layers P-L-L-P.
  2. Molecules of phospholipid has amphipathic nature, i.e. it has polar & non-polar ends.
  3. Polar end is head consists of glycerol, which is attached to protein layer by Hydrogen & Ionic bonds (strongest bond) or Electrostatic forces.
  4. Non-polar end is tails consists of fatty acids, which are attached to each other by Vander wall forces (weakest bond) or Hydrophobic or Lipophilic interactions.
  5. Outer & inner surfaces of membrane consists of globular hydrated a-protein.

171_lamellar model.png


Related Discussions:- Lamellar models

Goals of prevention of diabetes mellitus, Q. Goals of prevention of diabete...

Q. Goals of prevention of diabetes mellitus? The goals of prevention are to delay the onset of DM and preventing or delaying the cardiovascular complications. Obesity should be

Which alpha-helices would not be found in a protein, Please explain the dif...

Please explain the differences between an integral membrane protein, a Davison-Danielli peripheral membrane protein, and a protein in which alpha-helices would not be found.

What do you mean by cori cycling, What do you mean by Cori Cycling? In ...

What do you mean by Cori Cycling? In this cycle, glucose released by peripheral tissues is metabolized to lactate, which is then resynthesized to glucose in the liver. This pro

Explain phylum zygomycetes, Phylum Zygomycetes 1) Asexual reproduction ...

Phylum Zygomycetes 1) Asexual reproduction by non-motile spores produced from a stalked spore case which is known as sporangium. 2) They reproduced by- conjugation between n

Respiration, comparitive chart on different types of respiration obserbed i...

comparitive chart on different types of respiration obserbed in different type of respiration organ of respiration , types of respiration,energy obtained , by product formed

Illustrate about mylohyoid muscle, Mylohyoid muscle Surgical manipulati...

Mylohyoid muscle Surgical manipulation at the crest of a severely resorbed ridge may injure the mylohyoid muscle. Manipulation of the tissues of the floor of the mouth for plac

What are nymph and imago, What are nymph and imago? Nymphs are larvae o...

What are nymph and imago? Nymphs are larvae of hemimetabolic insects (like grasshoppers). They are very same to the adult insect although smaller. In holometabolic insects (lik

What do protozoans eat, Q What do protozoans "eat"? Do they move in search ...

Q What do protozoans "eat"? Do they move in search for food? Protozoans are heterotroph beings that are they do not make their own food and thus they need to search for it in t

Infectious diseases, In f e c tiou s Diseases Infectious diseases ...

In f e c tiou s Diseases Infectious diseases inflicts major economic losses as the disease spreads from one animal to other and large number of animals are affected with t

What is erythroblastosis fetalis, It is a hemolytic disease, which makes in...

It is a hemolytic disease, which makes in newborn. Maternal IgG antibodies cross the placenta and destroy the red bleed cells. This develops when an Rh+ expresses an Rh antigen on

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd