adj忧郁的 发表于 2025-3-23 12:49:53
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John T. Van Stan II,Jack Simmonsnd saturation of enzymatic activation and detoxification processes and of DNA repair affect the relationship between dose and steady-state DNA adduct level; (ii) The fixation of DNA adducts in the form of mutations is accelerated by stimulation of the cell division, for instance due to regenerativePUT 发表于 2025-3-23 18:16:31
John T. Van Stan II,Jack Simmonstry is replete with exam ples of enzymatically catalyzed reactions in which normal body constituents can be linked through covalent bonds during the process of intermediary metabolism. The finding that xenobiotic chemicals that enter the body from the environment, are metabolized to highly reactive僵硬 发表于 2025-3-23 22:18:02
John T. Van Stan II,Jack Simmonsgermander (.) was traditionally used as a folk medicine for its for and antiseptic properties. In 1991, germander consumed to treat obesity, caused an epidemic of cytolytic hepatitis. Thirty cases of hepatotoxicity were first reported including cases with positive rechallengge. For these patients, asterilization 发表于 2025-3-24 02:21:45
John T. Van Stan II,Jack Simmons test systems providing the metabolic activation of styrene. Styrene is converted to styrene-7,8-oxide as catalyzed by cytochrome P-450 cored enzyme complex. Styrene-7,8-oxide is mutagenic in prokaryotic and eukaryotic test systems without metabolic activation. It reacts with nucleic acid bases, esplegitimate 发表于 2025-3-24 08:14:44
http://reply.papertrans.cn/44/4305/430477/430477_16.pngcogent 发表于 2025-3-24 12:40:03
approaches. One approach, stemming from thermodynamic considerations, led Lipmann (1941) to postulate that amino acids had to be activated before they could be polymerized. Subsequently, Hoagland .. (1957) discovered the formation of high-energy anhydride bonds between ATP and the carboxyl groups ofExposition 发表于 2025-3-24 14:58:38
,The “Water Problem”,ndards. Instead of designing experiments for the sheer pursuit of knowledge, scientists are compelled to maximize their likelihood of securing money and attention, to fit the demands of society as described in the solicitations of governmental funding agencies or to fit the topics trending in corporAffable 发表于 2025-3-24 19:18:58
Tensions from the Start: Tales of the First Hydrologist and His Civilization,itten record from the time, a time marked by Plato’s writings about Socrates. Thus, as a group, they are often called the “pre-Socratics.” Among the pre-Socratics, modern hydrologists have developed a particular affinity for Heraclitus, who lived around 500 BCE. One of his . includes the phrase “PanLUCY 发表于 2025-3-25 02:46:43
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