Lipid rafts are specialized microdomains within the plasma membrane that are rich in cholesterol and sphingolipids. These regions play critical roles in cellular signaling, protein sorting, and trafficking. They are more ordered and tightly packed than the surrounding membrane but still maintain fluidity.
| List I (Enzyme) | List II (Function) |
|---|---|
| (A) Cytochrome oxidase | (I) Electron transport system |
| (B) Topoisomerases | (II) Change linking number |
| (C) Cohesins | (III) DNA Replication |
| (D) PCNA | (IV) Cell cycle |
| List I (Enzyme) | List II (Function) |
|---|---|
| (A) Cytochrome oxidase | (I) Electron transport system |
| (B) Topoisomerases | (II) Change linking number |
| (C) Cohesins | (III) DNA Replication |
| (D) PCNA | (IV) Cell cycle |
| List I (Vitamin) | List II (Disorder) |
|---|---|
| (A) Vitamin-A | (I) Night blindness |
| (B) Vitamin-D | (II) Scurvy |
| (C) Vitamin-C | (III) Fat-soluble vitamin |
| (D) Vitamin-K | (IV) Blood clotting |