Which of the following distinguish biopharmaceutical agents from small molecular weight drugs?

Describe the mechanism of action of local anesthetics such as procaine (structure shown) or lidocaine. Identify important structure-activity elements. Why is the degree of ionization an important physicochemical parameter for the activity of local anesthetics? What kind of amino acid residues are essential in the active center of the target for activity of the local anesthetic to be effective? Structure of local anesthetic procaine

Which of the following are advantages of solid phase extraction compared to liquid-liquid extraction?

What regulation provides the framework for the conduct of a non-clinical labortaory study?

Match the respective definition with the specific antibody. 

Drugs that behave like morphine but also have antagonist activity are known as:

Which of the following statements is FALSE regarding NMR?

In a combined PK/PD model, what measure is used on the x-axis (shown in red in the graph below)?

Arrange the functional groups in order of increasing difference in electronegativity.

What is the mechanism of antibacterial action for sulfonamide antibiotics?