The phrase "are based on functional" is not complete and lacks context, but it is grammatically correct.
You can use it when discussing principles, theories, or systems that rely on functional aspects or criteria.
Example: "The results of the study are based on functional analysis of the data collected."
Alternatives: "are grounded in functional" or "are derived from functional".
The molecular functions of yeast proteins are based on Functional Catalogue (FunCat) annotations [ 49] from MIPS/CYGD database [ 60].
Moreover, while IEA annotations are based on functional motifs and sequences, the most rigorous way of assigning function when there is no direct experimental evidence available, is based on strict orthology.
Strategic decisions can be made across LA [local authority] boundaries – LEPs are based on functional economic market areas – and delivery actioned by the LAs.
The deliverables in the form of target net-pay intervals are based on functional cut-offs for each given reservoir system and for different appraisal fronts within the same reservoir system.
Classifications are based on functional mobility.
However, the current clinical measures for characterizing injury severity are based on functional tests that cannot be relied upon immediately following injury because they are often compromised by shock, other attendant injuries and drugs or alcohol.
Notably, the global analysis of the C. cacaofunesta mitochondrial function that was based on functional classification (GO) of the experimentally identified proteins reflects the functional grouping of the full set of predicted mitochondrial proteins.
This framework is based on functional ROIs derived from task-based fMRI and diffusion tensor imaging (DTI) data.
However, this prediction of enzyme function should be taken with care as it is based on functional analysis of very few members of the gene family only.
It's based on functional areas and also where outbreaks may occur.
