The phrase "are generated only by" is correct and usable in written English.
It can be used to specify that something is produced exclusively by a particular source or method.
Example: "The results of the experiment are generated only by the new algorithm we implemented."
Alternatives: "are produced solely by" or "are created exclusively by".
According to Aristotle, Physics II.1, the former have their principles of generation and motion inside, whereas the latter, insofar as they are artifacts, are generated only by outward causes, namely human aims and forms in the human soul.
To verify whether EGFP revertants are generated only by point mutations, a vector containing a 4-nucleotide deletion at position 52, which results in a stop codon, was transfected.
On the other hand, in the adult pancreas, it had been considered that there are no endocrine progenitor cells and that β cells are generated only by the replication of existing β cells, not from the differentiation of endocrine precursor cells (neogenesis) [16], [17].
In contrast, the discriminating peaks are generated only by those sequences containing an A at the corresponding position.
Being the cardinality of class C equal to 6, we can deduce that these solutions are generated only by the combination of the pair and the triplet just mentioned.
In terms of how genes behave in chromosomes over time, there are two ways to think about prokaryote lineages: they have static chromosomes that are immune to LGT and differences in gene content across members of a lineage are generated only by gene loss or they have fluid chromosomes with genes coming into exiting genomes of members of the "lineage" over time.
This boom was generated only by gouging business travellers at peak travel times, building up enormous consumer resentment.
In many countries that support could be generated only by the host and England was eliminated Monday when it lost to West Indies.
We build on Lemma 10 and remark that k 2 ⊆ so ( 2 d ) as it is generated only by quadratic operators (see Proposition 9).
In order to analyze if such a subtle effect is generated only by the microwave irradiation, the environmental parameters (light, temperature, and humidity) must be kept identical for the reference and the irradiated lot.
In this case, turbidity currents can be generated only by such great-giant earthquakes, and surface sediments could continue to accumulate during the other periods without being interrupted by earthquakes in adjacent areas.
