Microbiology - Micro Organisms - Discussion

Discussion :: Micro Organisms - Section 1 (Q.No.5)

5. 

The unifying feature of the archaea that distinguishes them from the bacteria is

[A]. habitats which are extreme environments with regard to acidity
[B]. absence of a nuclear membrane temperature
[C]. presence of a cell wall containing a characteristic outer membrane
[D]. cytoplasmic ribosomes that are 70S

Answer: Option B

Explanation:

No answer description available for this question.

Girish said: (Oct 17, 2013)  
Archaea lipids are based upon the isoprene sidechain: they are long chains with complex side-chains and often cyclopropane or cyclohexane rings. Although isoprenoids play an important role in the biochemistry of many organisms, only the archaea use them to make phospholipids. These branched chains may aid archaean membranes from leaking at high temperatures.

Indhra said: (Nov 19, 2013)  
Archaea: cell membrane contains ether linkages; cell wall lacks peptidoglycan; genes and enzymes behave more like Eukaryotes; have three RNA polymerases like eukaryotes; and extremophiles

Bacteria: cell membrane contains ester bonds; cell wall made of peptidoglycan; have only one RNA polymerase; react to antibiotics in a different way than archaea do.

Ekta Mendapara said: (Feb 10, 2015)  
Absence of a nuclear membrane temperature please explain this sentence. I can't understand.

Payel Sen said: (Apr 25, 2015)  
What is nuclear membrane temperature?

Obi said: (Oct 18, 2015)  
I know that archae withstand extreme temperatures.

Chukwuka Okoroafor said: (Mar 31, 2016)  
Why did Achaea cell membrane contains the cytoplasm and also an absence of a temperature?

Devaraj said: (Aug 24, 2016)  
The archaea lipids don't have the temperature henceforth it cannot be determined due to the lack of temperature of the cells. Hence it is distinguished.

Praveen Dhami said: (Mar 14, 2017)  
Although isoprenoids play an important role in the biochemistry of many organisms, only the archaea use them to make phospholipids. These branched chains may aid archaean membranes from leaking at high temperatures.

Weldesenbet Tewabe said: (Apr 30, 2017)  
Please elaborate the question in detail. What do you mean nuclear membrane temperature?

Ishaq Khan said: (Nov 21, 2017)  
I think the answer is right but the single term is used instead of two terms, nuclear membrane and temperature. We known that archaea is capable of surviving at heigh temperature.

Nagaraju said: (Apr 11, 2018)  
Answer would be the A.

Athraa said: (Apr 16, 2019)  
What is a nuclear membrane temperature?

Salman Paris said: (May 21, 2019)  
Explain the nuclear membrane temperature.

Syeda Saman Alam said: (May 27, 2021)  
What do you mean by nuclear membrane temperature? Explain please.

Post your comments here:

Name *:

Email   : (optional)

» Your comments will be displayed only after manual approval.