GAminolevulinic acid synthetase activity in embryonic chick liver is not detectable until just before hatching when i t surges to more than four times the adult level (12 moles ALAlg liver/h) which is reached in the first week after hatching. An injection of 3,5-dicarbethoxy-l,4-dihydrocollidine int
Metabolism of uridine and determination of liver ribonucleic acid synthesis in developing and adult mice
β Scribed by Claes Engelbrecht; Torsten Yngner
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 839 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0020-711X
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A method to determine the relative rates of stable and unstable RNA synthesis is presented. The method employs the antibiotic rifampicin. For exponential phase Escherichia coli B/r growing at rates between 0.67 and 2.10 doublings per hr (3.2-fold range in growth rate), the fraction of the instantane
## Abstract The role of endogenous regucalcin in the regulation of ribonucleic acid (RNA) synthesis activity in the nucleus of normal and regenerating rat livers was investigated. Nuclear RNA synthesis was measured by the incorporation of [^3^H]βuridine 5β²βtriphosphate into the nuclear RNA in vitro