Question:
Thermococcus, Methanococcus and Methanobacterium exemplify
Thermococcus, Methanococcus and Methanobacterium exemplify
Updated On: Aug 15, 2022
- bacteria whose DNA is relaxed or positively supercoiled but which have a cytoskeleton as well as mitochondria
- bacteria that contain a cytoskeleton and ribosomes
- 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.
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The Correct Option is C
Solution and Explanation
Thermococcus, Methanococcus and Methano- bacterium are examples of archaebacteria which are characterized by a unique cell wall that lack peptidoglycan and consist of polysaccharides and protein and closely resemble the eukaryotic cell in the mechanism of protein synthesis, structural protein and RNA compliments of the ribosomes.
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Concepts Used:
Kingdom Monera
Characteristics of Monera Kingdom
The organisms in this kingdom have the following characteristics: -
- Monerans are single-celled creatures.
- The cell wall is made up of peptidoglycan and is stiff.
- Binary fission is asexual reproduction.
- They have 70S ribosomes in them.
- The locomotory organ is the flagella.
- Organelles such as mitochondria, lys
- osomes, plastids, Golgi bodies, endoplasmic reticulum, centrosome, and others are not present.
- These are decomposers and mineralizers for the environment
