The phrase "are comprised of multiple" is correct and usable in written English.
It can be used when describing a composition or the elements that make up a whole, particularly in formal or academic contexts.
Example: "The committee members are comprised of multiple experts from various fields."
Alternatives: "consist of several" or "are made up of various".
Type I IFNs share the same receptor complex and are comprised of multiple species, including IFN-beta, IFN-omega, and twelve subtypes of IFN-alpha.
Distributed systems are comprised of multiple subsystems that interact in two distinct ways: (1) physical interactions and (2) cyber interactions; i.e. sensors, actuators and computers controlling these subsystems, and the network over which they communicate.
Star polymers are comprised of multiple arms or branches radiating from a central point or core and have been of huge scientific interest since they were first prepared sixty years ago, as a result of their unique physical properties.
The construction of heterostructured photocatalyst systems, which are comprised of multiple components or multiple phases, is an efficient method to facilitate the separation of electron-hole pairs to minimize the energy-waste, provide more electrons, enhance their redox ability, and hence improve the photocatalytic activity.
Interference filters are comprised of multiple thin layers of dielectric material with different refractive indices.
This genomic technology has revealed that existing diagnostic categories are comprised of multiple molecularly and clinically distinct diseases.
Teams, then, were comprised of multiple social groups.
Normal human serum IgG is comprised of multiple glycoforms and biologic activities, other than catabolism, varies between glycoforms.
The catalyst layer (CL) of the polymer electrolyte membrane (PEM) fuel cell is comprised of multiple constituent materials including platinum catalyst, carbon support and ionomer.
FN dimers in the compact solution conformation are ellipsoidal with known dimensions of 51 × 32 nm24,29, similarly suggesting that the nodules observed here were comprised of multiple folded FN dimers.
