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two tablets duos doses iii three tablets trēs doses n.p.o., npo, NPO nothing by mouth / not by oral administration: nil per os o.d., od, OD right eye. once a day (United Kingdom) oculus dexter omne in die o.s., os, OS left eye: oculus sinister o.u., ou, OU both eyes: oculus uterque p.c. after food: post cibum p.m., pm, PM afternoon or evening ...
The heat shock response in E. coli is regulated by the sigma factor σ32 , whose regulon has been characterized as containing at least 89 open reading frames. [ 3 ] Regulons involving virulence factors in pathogenic bacteria are of particular research interest; an often-studied example is the phosphate regulon in E. coli , which couples ...
In practice, the drug concentration is measured at certain discrete points in time and the trapezoidal rule is used to estimate AUC. In pharmacology, the area under the plot of plasma concentration of a drug versus time after dosage (called “area under the curve” or AUC) gives insight into the extent of exposure to a drug and its clearance ...
[2] The SOS response is a global response to DNA damage in which the cell cycle is arrested and DNA repair and mutagenesis are induced. The system involves the RecA protein (Rad51 in eukaryotes). The RecA protein, stimulated by single-stranded DNA, is involved in the inactivation of the repressor of SOS response genes thereby inducing the ...
None of the participants experienced a colon perforation due to colonoscopy. After 10 years, an intention-to-screen analysis showed a significant relative risk reduction of 18% in the risk of colorectal cancer (0.98% in the invited group vs. 1.20% in the usual-care group). The analysis showed no significant change in the risk of death from ...
A flexible sigmoidoscopy is a less invasive test than a colonoscopy that only looks at the lower part of the colon. It’s covered every 48 months (four years) if you are age 50 or older and at ...
The gal operon contains two operators, O E (for external) and O I (for internal). The former is just upstream of the promoter, and the latter is just after the galE gene (the first gene in the operon). These operators bind the repressor, GalR, which is encoded from outside the operator region. For this repressor protein to function properly ...
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