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  • Stuck here, help me understand: Some hyperthermophilic organisms that grow in highly acidic (PH2) habitats belong to the two groups:

Some hyperthermophilic organisms that grow in highly acidic (PH2) habitats belong to the two groups:

  • Option 1)

    Eubacteria and archaea

  • Option 2)

    Cyanobacteria and diatoms 

  • Option 3)

    Protists and mosses 

  • Option 4)

    Liverworts and yeasts 

 

Answers (1)

best_answer

 

Thermoacidophiles -

  1. Chemosynthetic
  2. Aerobes or anaerobes
  3. Gram negative bacteria
  4. They oxidised or reduced sulphur
  5. Grow in high temperature and high acidic condition (pH 1 – 4)and found in hot sulphur springs.

- wherein

Eg. Thermo plasma, thermo protein.

 

 

Archaebacteria -

Live in harsh habitats.

Cell walls lack muramic acid and peptidoglycan.

Branched lipids having Phytanyl side groups decreases membrane fluidity.

- wherein

They are of three major type

  • Methanogens
  • Halophiles
  • Thermoacidophiles

 

 


Option 1)

Eubacteria and archaea

This is correct option

Option 2)

Cyanobacteria and diatoms 

This is incorrect option

Option 3)

Protists and mosses 

This is incorrect option

Option 4)

Liverworts and yeasts 

This is incorrect option

Posted by

Plabita

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