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How is the modern fluid mosaic model of membranes different from the earlier Davson-Danielli?
The Davson-Danielli model proposed that the phospholipid bilayer was put between two layers of globular protein, hoping to understand the surface tension of the bilayer. The fluid mosaic model then expanded on this by including proteins that could cross the membrane, without needing the extra protein layers.
What else can I help you with?
Why has the unit membrane theory been rejected?
The unit membrane theory, which proposed that all cellular membranes had a uniform structure, has been rejected because modern research has shown that different cellular membranes have unique compositions and structures. This diversity in membrane structure allows for specific functions to be carried out by different organelles and cell types.
How do you explain the origin of man according to evolution?
Through evolutionary theory. According to evolutionary theory all modern lifeforms evolved from earlier, ancestral forms, ancestry they share with other forms. In the case of humans, such ancestors would have included earlier, now extinct species of ape and yet earlier primates.
Why are Neanderthals considered a different species from modern humans?
Neanderthals are considered a different species from modern humans because they belong to a distinct branch of the human evolutionary tree, known as Homo neanderthalensis. They lived in different regions, had distinct physical characteristics, and had their own unique culture and tools. Additionally, genetic studies have shown that Neanderthals interbred with modern humans but are still considered a separate species due to these differences.
Were Neanderthals a different species from modern humans?
Yes, Neanderthals were a distinct species from modern humans, known as Homo sapiens. They lived alongside each other in different regions of the world before Neanderthals went extinct around 40,000 years ago.
Did humans just appear of did the evolve?
Humans evolved over millions of years from earlier hominid species. The process of evolution involved gradual changes in physical and behavioral traits that eventually led to the emergence of modern humans.
How is the modern bat different from original bat used earlier in cricket match?
weight less.
How does the modern study of history challenge earlier histories?
By questioning weather there source are reliable. (APEX)
What did the modern computer developed from?
Earlier computers.
Both novellas and the are earlier versions of the modern novel?
medieval romance
How come call of duty black ops was in the 1960's?
Treyarch designed the game for that period, there earlier game was World at War and was set in an earlier time. Modern Warfare series was developed by Infinity Ward and has a different timeline for COD 4 MW2 and MW3
How did Germany acquire its language?
Modern German has developed from earlier versions of German ...
What is the modern name of the country earlier known as Persia?
it is iran have commen sense
Are modern orchestra smaller than earlier time orchestra?
false
Which modern Russian city was earlier known as Petrograd and Leningrad?
St. PetersburgSt Petersburg
Why has the unit membrane theory been rejected?
The unit membrane theory, which proposed that all cellular membranes had a uniform structure, has been rejected because modern research has shown that different cellular membranes have unique compositions and structures. This diversity in membrane structure allows for specific functions to be carried out by different organelles and cell types.
Will modern warfare be on ps2?
The new Modern warfare 3 coming out in November 2011 will not be on the PS2. There is no Plans for any of the earlier versions of Modern Warfare to be made into a PS2 version of the game.
What did the medieval romance an earlier version of the modern novel deal with?
superhuman adventures of legendary heroes
