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The currently accepted hypothesis of membrane structure is the fluid mosaic model. This model describes the cell membrane as a dynamic structure composed of a lipid bilayer with embedded proteins that are free to move laterally within the membrane. It emphasizes the fluidity and flexibility of the membrane.

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1y ago

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Which model of the plasma membrane is currently the most accepted?

The fluid mosaic model is currently the most accepted model of the plasma membrane. It describes the plasma membrane as a dynamic structure composed of a lipid bilayer with embedded proteins that are able to move and interact within the membrane.


Who are the scientists Singer and Nicholson?

Singer and Nicholson are scientists credited with proposing the fluid mosaic model of the cell membrane in 1972. This model describes the cell membrane as a dynamic structure composed of lipids and proteins that can move and interact within the membrane. Their model revolutionized our understanding of cell membrane structure and function.


What hypothesis did Charles overton make?

membranes are made of lipids because substances that dissolve in lipids enter cells more rapidly than lipid-insoluble substances


What are some important questions about the cell membrane that researchers are currently investigating?

Researchers are currently investigating questions about the cell membrane's structure, function, and interactions with other cellular components. Some important questions include how specific molecules move across the membrane, how the membrane responds to different stimuli, and how its composition affects cell behavior.


Is membrane a subcellular structure?

Yes, a membrane would be a subcellular structure.


Do mitochondria possess a double membrane structure?

Yes, mitochondria have a double membrane structure.


Can you clearly see the membrane as a structure?

Yes, the cell membrane can be seen clearly as a structure. The cell membrane is called the plasma membrane and is a barrier between the cell and its environment.


What is the Definition of membrane invagination hypothesis?

The membrane invagination hypothesis assumes that the prokaryotic cell membrane folded in on itself so thmbrane was formed. This double membrane is common in the organalles of eukaryotic cells. The DNA becomes attached to one such infolding resulting in a presursor of the nucleus. Later this infolding enclosed DNA within interacellular sac forming the primordial nucleus.


What is the lipid membrane hypothesis?

The lipid hypothesis was one of two hypotheses (the other being the chronic endothelial injury hypothesis) developed in the 1850s to explain the pathogenesis of atherosclerosis. It proposes a connection between plasma cholesterol level and the development of coronary heart disease.It was proposed by the German pathologist Rudolf Virchow in 1856 and suggested that blood lipid accumulation in arterial walls causes atherosclerosis.[citation needed][1] Since the emergence of cardiovascular disease as a major cause of death in the Western world in the middle of the 20th century, the lipid hypothesis received greater attention. An accumulation of evidence has led to the acceptance of the lipid hypothesis as scientific fact by the medical community;[2]however, a small but vocal minority[who?] contend that it has not yet been properly validated, and that vascular inflammatory mechanisms prevail independent of blood cholesterol levels


What evidence supports the hypothesis that the nuclear envelope of eukaryotes arose from infolding of the plasma membrane?

Evidence supporting this hypothesis includes observations that both the nuclear envelope and plasma membrane have a similar lipid composition and protein structure, as well as the presence of nuclear pores that are thought to have evolved from invaginations in the ancestral plasma membrane. Additionally, studies on the dynamics of nuclear envelope formation during cell division provide further support for the idea that the nuclear envelope originated from invaginations of the plasma membrane.


What are the molecules that give the cell membrane a mosaic structure?

protein molecules in the cell membrane gives the mosaic structure .


What is the structure of transport?

membrane phospolipids