NEET2012BotanyCell - The Unit of LifeActual
The thickness of unit membrane is
Options
- A20 Å
- B35 Å
- C55 Å
- D75 Å
Correct answer
D. 75 Å
Step-by-step solution
The unit membrane, described by J David Robertson, was considered as 75 Å thick trilaminar (3 layered membrane). According to his unit membrane or trilaminar model, unit membrane consists of 35 Å thick bimolecular phospholipid layer between two protein layers, each with 20 Å thickness.