The phrase "already functional" is correct and usable in written English.
It can be used to describe something that is currently operational or working as intended, often in the context of technology or systems.
Example: "The new software update is already functional, allowing users to access the latest features without any issues."
Alternatives: "currently operational" or "already in use".
The study reveals that proteins and RNA co-evolved form the start and structures supporting protein synthesis appeared in a fundamental major transition once processivity functions involving interactions with transfer and templating RNA were already functional.
Getting to Ober-See is relatively easy considering the location of our already functional camp.
These glands are located above the eyes and are already functional in the young chick, which begins to consume food of marine origin from its first day of life.
However, the program is already functional in all states.
The first generation of microfluidics-based analytical devices have been designed and are already functional.
A line of response to this worry that could be pursued would be one that claimed that values that amount to autonomy (in some conceptualization of that idea) are already functional in the social structures and cultural practices of otherwise defensible democratic practices (as well as some critical projects that emphasize oppression and domination, as we saw above).
This paradigm exists as DRA (Dynamically Reconfigurable Architecture), and some DRA components are already functionals.
We used methanogenesis pathway as a case study in order to show how enzymes with new functions can be formed from elementary functions and via reutilization of already existing functional domains.
Mozilla says this is just an "initial" release, but also notes that it's already "very functional".
"Our system is already fully functional and has been tested in the lab," said Mathias Putz, who leads the research division.
If it sounds familiar, it's likely because that's what Google's trying to accomplish with Project Glass, which actually already has functional prototypes out in the wild.
