A drug has an elimination half-life of 3 hours. (1) For a one-time dose of 16 mg that is completely absorbed into the body, how much is left in the body at the end of 6 hours? (2) Find the elimination constant for this drug. (3) If instead of a one time dose, 16 mg of this drug is administered every 6 hours. What is the amount of drug in the body immediately after the 5th dose?
Catalysis and Enzymatic Reactions
Catalysis is the kind of chemical reaction in which the rate (speed) of a reaction is enhanced by the catalyst which is not consumed during the process of reaction and afterward it is removed when the catalyst is not used to make up the impurity in the product. The enzymatic reaction is the reaction that is catalyzed via enzymes.
Lock And Key Model
The lock-and-key model is used to describe the catalytic enzyme activity, based on the interaction between enzyme and substrate. This model considers the lock as an enzyme and the key as a substrate to explain this model. The concept of how a unique distinct key only can have the access to open a particular lock resembles how the specific substrate can only fit into the particular active site of the enzyme. This is significant in understanding the intermolecular interaction between proteins and plays a vital role in drug interaction.
A drug has an elimination half-life of 3 hours.
(1) For a one-time dose of 16 mg that is completely absorbed into the body, how much is left in the body at the end of 6 hours?
(2) Find the elimination constant for this drug.
(3) If instead of a one time dose, 16 mg of this drug is administered every 6 hours. What is the amount of drug in the body immediately after the 5th dose?
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