Cocaine interferes with dopamine transport by blocking its reuptake, increasing dopamine levels in synapses (causing euphoria).
Cocaine blocks dopamine reuptake in the brain’s reward pathway, causing euphoria and addiction.
Dopamine is a neurotransmitter, a chemical messenger in the brain that plays a key role in many important functions, including mood regulation, motivation, pleasure, reward, and motor control. It is produced in several areas of the brain, including the substantia nigra and the ventral tegmental area.
Other neurotransmitters:
Correct Answer: (D) Dopamine
| Column I | Column II | ||
|---|---|---|---|
| 1. | Calotropis | p. | Invertebrates |
| 2. | Pisaster | q. | Distasteful |
| 3. | Monarch butterfly | r. | Cryptically colored |
| 4. | Frogs | s. | Cardioglycoside |
Match Column I and Column I
| Column I | Column II | ||
|---|---|---|---|
| 1 | Narrowly utilitarian argument | p | Conserving biodiversity for major ecosystem services |
| 2 | Broadly utilitarian argument | q | Every species has an intrinsic value and moral duty to pass our biological legacy in good order to future generation. |
| 3 | Ethical argument | r | Receiving benefits like food, medicine & industrial products. |