The phrase "are one category" is correct and usable in written English.
It can be used to indicate that two or more items belong to the same classification or group.
Example: "Cats and dogs are one category of common household pets."
Alternatives: "belong to the same category" or "fall under one category".
Of all the processed foods found in the grocery store, condiments are one category that remains (mostly) unassailed by the food police.
Diplomatic expulsions are one category — about thirty countries have expelled Russian representatives in response to last month's apparent nerve-agent poisoning, in Britain, of a former Russian spy and his daughter.
The negative psychological outcomes from ethical dilemmas are one category that can be the cause of "moral distress".
3D games are one category where the PDK is a great fit for both business and technical reasons.
Registered Nurses (RNs) are one category of health professionals who can be important agents in work with lifestyle issues [ 10- 12].
7 8 All previously published PAX3 mutations in WS1 are heterozygous, whereas both heterozygous and homozygous PAX3 mutations have been described in the allelic disease WS3. 1 8–12 Heterozygous mutations in the MITF gene are one category of molecular causes of WS 2. 13 14 The MITF gene encodes a transcription factor with a basic helix loop helix leucine zipper motif.
In his classification, "people participation level" is the horizontal axis, and "people," as one of the sources of proposal, is one category on the vertical axis.
Perhaps we are indeed all too hung up on race and who is one category and who is not.
There is one category that can't be voted on which is "Best Overall" – this will be decided upon following the public vote and consultation with The Europas Advisory Board.
This would enable me to test the conventional wisdom that furniture is one category of merchandise more easily bought offline than on.
Breast feeding ORs are interpreted as the odds of being one category higher in the social hierarchy, given childhood social class and values on other covariates.
