NEET Solved Paper 2014 Question 4
Question: Archaebacteria differ from eubacteria in [AIPMT 2014]
Options:
A) cell membrane structure
B) mode of nutrition
C) cell shape
D) mode of reproduction
Show Answer
Answer:
Correct Answer: A
Solution:
- Archeabacteria different from eubacteria in that eubacteria have cell membrane composed mainly of glycerol-ester lipids, while archaebacteria have membrane made up of glycerol-ether lipid. Ether lipids are chemically more resistant then ester lipids. This stability help archaebacteria survive at high temperture and in very acidic or alkaline environment.
