The phrase "activity is held" is correct and usable in written English.
It can be used to indicate that a specific event or action is taking place at a certain time or location.
Example: "The annual charity activity is held every spring to raise funds for local organizations."
Alternatives: "event takes place" or "activity occurs".
However, we cannot exclude the possibility that although caspase 3 is activated in wild type virus-infected cells, its activity is held in check by cellular IAPs.
Now when an activity is held back or inhibited from expressing itself, we call it a "striving" (Streben).
The partner searching pool includes people who request partners and all members of a certain place where the activity is held.
This redundancy would generate a more 'robust' system in which TORC1 activity is held in check by two independent pathways, both of which are downstream of Akt.
Multimeric pore formation in the cell membrane of pathogens by antimicrobial protein activity is held responsible for the killing of microorganisms with successive efflux of cellular contents and breakdown of intracellular homeostasis.
He added: "Although the recent bounce-back in house purchase activity is holding up we remain some way below what might be called 'normal' levels of transactions".
According to the students, this ongoing redoing activity is holding back the progress of what a student can learn, and therefore, it can be seen as a key issue that restricts the development of vocational competence rather than enabling it.
The inaugural activity was held on Wednesday July 18, at the Duke Fresh Tissue Laboratory.
Similar trends can also be observed for the [triv] experiments, where water activity was held constant and bulk Sc concentration varied.
Norway carried out a more defensive foreign policy on Svalbard compared to on the mainland, and foreign activity was held at a minimum.
No activity was held in health care-related institutions to avoid any hesitation from respondents who might never have had contact with health care services or personnel.
