The phrase "activities are required" is correct and usable in written English.
It can be used in contexts where you need to indicate that certain actions or tasks must be completed.
Example: "To successfully complete the course, several activities are required to demonstrate your understanding of the material."
Alternatives: "tasks are necessary" or "actions are needed".
Furthermore, the kinase activities are required for IFN-β-promoter activation, suggesting that TBK1/IKK-i activates IFN-β promoter by phosphorylating one or more appropriate substrates.
Importantly, both activities are required for optimal transcription activation on a chromatin template in vitro and on an endogenous MLL1 target gene, Hox a9, in vivo.
ERK1/2 and Akt activities are required by ADORA2B receptor activation [ 7].
This physical association between enzymes removing the H3K27me3 repressive mark, on the one hand, with protein complexes promoting the deposition of the active H3K4me3 mark, on the other hand, suggests that both activities are required for a rapid and stringent response of target genes.
These activities are required for recruitment of splicing factors to the site of active transcription and stimulation of co-transcriptional splicing [12] [15].
Given that several catalytic activities are required for plant polysaccharide degradation and dissolution, screening of carbohydrate active enzymes (CAZymes) by ToF-SIMS could be achieved by augmenting the activity of a known cellulase cocktail [ 1].
New permits for all such activities are required.
FAK and myosin-II activities are required for durotaxis in PSCs.
To perform route optimization, reasonably accurate costs for various activities are required.
It explores how corporate sustainability can advance environmentally friendly innovations, and what managerial roles and activities are required to enable the transformation.
The distinction may be that extra-ordinary activities are required in the face of degraded, damaged, or destroyed ecosystems.
