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

Psychosocial therapy, PSYCHOSOCIAL THERAPY: Psychosocial therapy is on...

PSYCHOSOCIAL THERAPY: Psychosocial therapy is one of  the important treatment modaIities used for the patients with mental disorders. It is given along with other therapies or

Define the causes of instrument fracture, Define the Causes of Instrument F...

Define the Causes of Instrument Fracture Too much apical pressure ( specially in narrow or curved canal) Used in dry canal without irrigation or lubricant Excessi

Evolution, species dynamicsresemble what

species dynamicsresemble what

Transparency - aquatic habitats, Transparency - Aquatic Habitats Trans...

Transparency - Aquatic Habitats Transparency affects the extent of light penetration. It is indirectly related to turbidity. Suspended particulate matters such as clay, silt a

Stored metabolites - seed and fruit, Stored Metabolites - Seed and Fruit ...

Stored Metabolites - Seed and Fruit In a large majority of seeds food is stored in the cells of the endosperm. In coconut, wheat and castor bean for example, it is the endospe

Biochemical production, Plants are the source of a large variety of bioche...

Plants are the source of a large variety of biochemicals which are metabolites of both primary and secondary metabolism. But secondary metabolites are of much greater interest s

Phylum ciliophora - protozoan, Phylum Ciliophora - Protozoan Simple ci...

Phylum Ciliophora - Protozoan Simple cilia or compound ciliary organelles typical in at least one stage of life cycle; subpellicular cilia present even if surface cilia are ab

What is the endocrine function of the placenta, What is the endocrine funct...

What is the endocrine function of the placenta? The placenta besides being the organ by which the exchange of substances among the mother and the fetus is done also has the fun

In what form do plants absorb calcium from the soil, a) In what form do pla...

a) In what form do plants absorb calcium from the soil? b) List any two calcium deficiency symptoms in plants.

State about dental implant reconstruction, State about Dental implant recon...

State about Dental implant reconstruction Dental implant reconstruction requires a thorough knowledge and understanding of the various strategically important anatomic landmark

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