| cytokinin | <protein> Class of plant growth substances (plant hormones) active in promoting cell division. Also involved in cell growth and differentiation and in other physiological processes. Examples: kinetin, zeatin, benzyl adenine. (18 Nov 1997) |
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| cytokinin oxidase | <enzyme> Isopentenyladenosine to adenosine Registry number: EC 1.- (26 Jun 1999) |
| cytokinins | Plant hormones that promote the separation of daughter cells after mitotic division of a parent cell. Frequently they are purine derivatives. (12 Dec 1998) |