Which of the following statements accurately differentiates Archaebacteria from Eubacteria?
Archaebacteria have peptidoglycan in their cell walls, while Eubacteria do not.
Archaebacteria lack introns in their genes, while Eubacteria have introns.
Archaebacteria have branched chain lipids in their cell membranes, while Eubacteria have straight chain lipids.
Archaebacteria are sensitive to antibiotics, while Eubacteria are resistant.
Related Questions
Which one of the following statements about mycoplasma is wrong?
Mycoplasmas lack a cell wall.
Mycoplasmas are facultative anaerobes.
Mycoplasmas have a rigid cell wall.
Mycoplasmas have a small genome.
Which of the following disease is not caused by eubacteria
Canker
Tetanus
Thyphoid
Pleuropneumonia
The ability of Mycoplasma to pass through filters with pores less than 1 micron is primarily due to:
Presence of a thick cell wall
Their large size
Presence of flagella
Lack of a cell wall
Analyse the following statements regarding cyanobacteria and identify the correct option given below
I. The cyanobacteria are unicellular, colonial or filamentous, marine or terrestrial algae
II. The colonies of cyanobacteria are generally surrounded by gelatinous sheath
Codes
Only I
Only II
I and II
None of these
The production of methane () as a metabolic byproduct in the absence of oxygen is a characteristic feature of:
Halophiles
Methanogens
Thermophiles
Acidophiles
State whether the given statements are true or false
I. Bacteria shows both autotrophic and heterotrophic nutrition
II. Some of the bacteria are autotrophic. They may be photosynthetic autotrophic or chemosynthetic autotrophic
III. Heterotrophic nutrition involves the obtaining of readymade organic nutrients from outside sources
I and II are true
I is true, II and III is false
I, II and III are true
I, II and III
Thermococcus,Methanococcus and Methanobacterium exemplify
Archaebacteria that contain protein homologous to eukaryotic core histones
Archaebacteria that lack any histones resembling those found in eukaryotes but whose DNA is negatively supercoiled
Bacteria whose DNA is relaxed or positively supercoiled but, which have a cytoskeleton as well as mitochondria
Bacteria that contain a cytoskeleton and ribosomes
Read the given statements and select the correct option.
Statement A: Monerans are most primitive organisms
Statement B: Monerans include only Bacteria
Statement A is correct and Statement B is incorrect
Statement A is incorrect and Statement B is correct
Both Statement A and Statement B are correct
Both Statement A and Statement B are incorrect
Which of the following bacteria plays a main role in recycling the nutrients like nitrogen, phosphorus, iron and sulphur?
Chemoheterotrophic bacteria
Chemosynthetic autotrophic bacteria
Parasitic bacteria
Saprophytic bacteria
Read the following statements regarding methanogens and select correct options
(i) They are included in the group of archae bacteria
(ii) They are responsible for the production of biogas in gober gas plants
(iii) They live in hot sulphur springs
(iv) They are strictly anaerobic
Only statements (i) and (ii) are correct
Only statements (i), (ii), (iv) are correct
Statements (ii), (iii) and (iv) are correct
All statements are correct
