The phrase "are allowed to react" is correct and usable in written English.
It can be used when discussing permissions or the ability to respond in a certain situation.
Example: "In this discussion, all participants are allowed to react freely to the ideas presented."
Alternatives: "are permitted to respond" or "have the right to react."
"The mobile Internet is a dynamic industry that can be a critical driver in restoring American economic growth and job creation, but only if companies are allowed to react quickly to customer needs and market forces," he said.
"The mobile Internet is a dynamic industry that can be a critical driver in restoring American economic growth and job creation, but only if companies are allowed to react quickly to customer needs and market forces," Stephenson said.
Early laboratory studies established that soluble metal complexes may form when lichens are allowed to react with suspensions of minerals and rocks (Iskandar and Syers, 1972; Ascaso et al., 1976).
Conceptually, the separated antioxidant components are allowed to react with the CUPRAC reagent in a post-column mixing unit before reaching the detector, thus leveraging the separation capability of regular HPLC approaches while allowing for detection specificity for antioxidants (Zacharis and Tzanavaras 2013).
Randall Stephenson, AT&T's chief executive, was more than a bit peeved: "The mobile Internet is a dynamic industry that can be a critical driver in restoring American economic growth and job creation, but only if companies are allowed to react quickly to customer needs and market forces," he said.
And people are allowed to react in whatever way they see fit.
Each air-saturated sample was allowed to react for at least 10 minutes, subsequently purged with Ar, and analyzed for any increase in ASV-labile Zn.
Look, awards shows make losers out of people, and these losers should be allowed to react honestly.
In their experiments antineutrinos emitted in a nuclear reactor were allowed to react with protons to produce neutrons and positrons.
This is followed by the application of radioactively labeled anti-antibody, which is allowed to react and then washed off.
The ligand L was allowed to react with CuCl2·2H2O and NiCl2·6H2O to achieve monometallic complexes 1 and 2, respectively.
