GATE 2022 BT – Question 37
Match the media component used in mammalian cell culture (Column I) with its respective role (Column II).
| Column I | Column II |
|---|---|
| P. Hydrocortisone | 1. Mitogen |
| Q. Fibronectin | 2. Vitamin |
| R. Epidermal growth factor | 3. Hormone |
| S. Riboflavin | 4. Cell attachment |
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Correct answer: (A) P-3, Q-4, R-1, S-2
Explanation
Match each component of a mammalian cell culture medium with its role.
- **P. Hydrocortisone:** a steroid **hormone** that supports growth and differentiation of many cell types. P-3.
- **Q. Fibronectin:** an extracellular-matrix protein that promotes **cell attachment** to the culture surface. Q-4.
- **R. Epidermal growth factor (EGF):** a growth factor that stimulates cell division, a **mitogen**. R-1.
- **S. Riboflavin:** vitamin B2, a **vitamin**. S-2.
Match: **P-3, Q-4, R-1, S-2** (option A).