Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun biochemistry Any of a class of
tetrapyrroles with fourpropionic acid groups and fouracetic acid groups, involved in thesynthesis ofporphyrin .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
uro- + porphyrinogen
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Examples
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But when catalyzed by the enzyme uroporphyrinogen decarboxylase, the rate of chlorophyll and hemoglobin production in cells "is increased by a staggering factor, one that's equivalent to the difference between the diameter of a bacterial cell and the distance from the Earth to the sun."
YubaNet.com 2008
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