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Discover LudwigSuggestions(5)
The phrase "activity is required" is correct and usable in written English.
It can be used in contexts where you need to indicate that a specific action or task must be performed.
Example: "To complete the registration process, an activity is required to verify your identity."
Alternatives: "action is necessary" or "task is needed."
Exact(60)
Taken together we conclude that Chk1 activity is required for caspase3 activation and subsequent cell killing.
Therefore we next decided to analyze whether LOXL2 catalytic activity is required for FAK activation.
We therefore asked whether PKD2 catalytic activity is required to support normal lymphocyte activation responses.
These results suggest that RIP2 kinase activity is required for NOS2 induction following NOD1 activation.
Its ATPase activity is required for open complex formation.
Physical demand describes how much physical activity is required (e.g. pushing, pulling, turning).
Further enhancement of the β-glucosidase activity is required to give the practical CBP capacity.
Therefore, development of new catalysts with high hydrodesulfurization (HDS) activity is required.
Third, transcriptional activity is required only during the latent process.
Thus, Notch activity is required for non-autonomous hyperplastic overgrowth.
Hence, PI3K activity is required for induction of cerebellar LTP.
More suggestions(17)
activation is required
outreach is required
interest is required
campaign is required
support is required
concern is required
engagement is required
initiative is required
business is required
employment is required
service is required
activity is needed
prosecution is required
assistance is required
businesses is required
interests is required
operations is required
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com