The phrase "activity and the level" is correct and usable in written English.
It can be used when discussing the intensity or degree of a particular activity, often in contexts like fitness, education, or project management.
Example: "The success of the program depends on the activity and the level of engagement from participants."
Alternatives: "task and intensity" or "action and degree".
Cells treated by serum depletion for 48 hours expressed a baseline of PKA activity, and the level of PKA activation increased immediately, reaching its peak, about threefold of baseline, at 2 hours after induction and gradually returned to the baseline at 24 hours after induction (Fig.4A).
In order to investigate the clinical significance of EGFR ligands as activating factors of ovarian cancer, we examined the cell proliferation-promoting activity and the level of EGFR ligands in peritoneal fluid obtained from 99 patients.
The deposited films are tested to determine the values of enzymatic activity and the level of protein detachment in aqueous solutions.
Brands from 7Up, Smirnoff and Bud Light to Emporio Armani, T-Mobile and Uber are spending millions on increasingly sophisticated EDM-related activity, and the level of corporate involvement is in stark contrast to 25 years ago when dance music was an underground concern.
In parallel, both the IH and IP administration of Nano C60 increased the autonomous activity and the level of threonine 286 (T286) autophosphorylation of CaMKII, enhanced post-synaptic AMPA/NMDA ratio, and triggered time-dependent activation of ERK and CREB.
No significant correlations were found between either the level or change in physical activity and the level or change in serum cholesterol.
Therefore, it is important to evaluate the variations of the allelopathic activity and the levels of allelopathic active substance in B. brizantha for soil additive materials.
Terminally, acetylcholinesterase (AChE) activity and the levels of oxido-nitrosative stress markers were determined in cortical and hippocampal brain regions of rats.
Overall, these data show that combined treatments with AgNPs and antibiotics enhanced both the inhibition of biofilm activity and the levels of cell death.
The expression of SMS genes, SMS activity and the levels of the lipids regulated by SMS (namely sphingomyelin (SM) and DAG) are up-regulated during neutrophil differentiation.
Treatment with CPT was able to significantly reduce the levels of STAT3 transcription activity and the levels of pRKIP.
