CAT I
CAT I may refer to:
- Instrument landing system#ILS categories
- Chloramphenicol O-acetyltransferase I, an enzyme
- Carnitine O-palmitoyltransferase I, another enzyme
- Measurement category CAT I, a class of live electrical circuits used in measurement and testing
This disambiguation page lists articles associated with the title CAT I.
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If an internal link led you here, you may wish to change the link to point directly to the intended article.