Embedded in the cell membrane act as gates and transportation systems that allow selected substances to pass through the membrane.

Protein complexes

Explanation:

There is a lipid bilayer in which the protein molecules are embedded. They do not exist as single elements of the lipid membrane in a form of glycoproteins or membrane proteins, they work as diffusing complexes within the membrane. They perform important functions for the cell; such as ion and metabolite transport, signaling, cell adhesion, and migration.

the sun's light combined with the visible wavelenghts form what is called ultraviolet radiation, which are the long waves at the end of a visible light sprectrum.

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