Half-life is the time for the concentration of a reactant decreases by half.
举一反三
- The half-life of a reaction is time needed to consume half the reactant.
- The most relevant measurement in single dose bioavailability studies is A: maximum drug serum concentration B: time to maximum serum concentration C: area under serum concentration –time curve (AUC) D: time for peak drug concentration to fall to half E: time to appearance of drug in circulation (lag time)
- How long has she been there(). A: An hour. B: An hour and a half. C: Half an hour.
- Km is defined as A: Substrate concentration at maximum velocity B: Substrate concentration at half the maximum velocity C: Enzyme concentration D: Optimum temperature
- The apple is too big , let’s cut it [u] [/u] . A: in half B: to half C: into half D: at half