Integral proteins are one type of membrane protein. They are constantly associated with the membrane, carrying out many different functions but they do not maintain the strength of the cell membrane. The sentence is False.
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Plasmatic membranes are composed of lipids and proteins.
Among the proteins, we can find integral proteins and peripheric proteins.
Integral proteins are permanently associated with the membrane.
They accomplish many different functions such as substances transport, cellular receptors, cellular adhesion, among others.
According to how they are incrusted in the lipidic bilayer, integral proteins might be,
- Transmembrane proteins ⇒ span the entire membrane
⇒ present in every membrane cells
- Monotypic integral proteins ⇒ attached to only one of the lipidic layers
Integral proteins provide structure to the plasmatic membrane, but they do not maintain its strength.
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