What are salient features of Monera?
Answers
i) It contains unicellular organisms, primitive with prokaryotic cellular organisation.
ii) Found in all types of environment.
ii) Few are photoautotrophs / chmcoautotrophs, but majority are heterotrophic in nature.
iv) They do not have well defined nucleus, cell wall is made up of peptidoglycan.
v) Membrane bound organelles are absent.
vi) Reproduction is asexual by binary fission or budding, sexual reproduction is by conjugation.
vii) On the basis of evolution, bacteria are classified as Archae bacteria and Eubacteria.
viii) Archaebacteria are primitive found in extreme environments.
Eubacteria are commonly called as true bacteria - found as autotrophs and heterotrophs
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The essential features of Monera include being unicellular, microscopic, and lacking a nucleus or other membrane-bound organelles such as mitochondria.
Explanation:
The main features of Monerans are :-
- The Monerans are unicellular organisms.
- They contain 70S ribosomes.
- The DNA is naked and is not bound by a nuclear membrane.
- It lacks organelles like mitochondria, lysosomes, plastids, Golgi bodies, endoplasmic reticulum, centrosome, etc.
- They reproduce asexually by binary fission or budding.
- The cell wall is rigid and made up of peptidoglycan.
- Flagella serves as the locomotory organ.
- These are environmental decomposers and mineralizers.
- They show different modes of nutrition such as autotrophic, parasitic, heterotrophic, or saprophytic.