Methedrine Is the Most Widely Used and Most Dangerous

question 65

Multiple Choice

Methedrine is the most widely used and most dangerous:

• A)amphetamine
• B)sedative
• C)tranquilizers
• D)inhalants

---

Definitions:

Hormone

A chemical messenger, often produced in one region of the body of a multicellular organism and transported to another region where it signals cells to alter some aspect of growth, development, or metabolism.

Tyrosine Kinase Receptors

A type of enzyme-linked receptor on cell surfaces that phosphorylates tyrosine residues on target proteins, playing key roles in cell signaling.

Protein Kinase Cascade

A series of protein kinases that sequentially phosphorylate and activate each other, leading to the amplification of a cellular signal.

Dimer

A molecular complex formed by two, usually identical, molecules joined together.