What are tha salient features of monere
Answers
Answer:
#Prokaryotes are very tiny, single-celled organisms.
#This DNA is in the form of a single circular chromosome.
#The cells contain no organelles or specialized membrane-bound structures, such as the endoplasmic reticulum, Golgi bodies and mitochondria found in eukaryotic cells.
#They do contain ribosomes, structures made out of RNA (ribonucleic acid) and proteins that synthesize new proteins.
#These cells have walls, unlike animal cells.
Explanation:
Answer: 1. Monera kingdom includes prokaryotic organisms.
2. organisms of Monera do not contain membrane bound organelles.
3. organisms of Monera lack nuclear envelope & DNA without histone such DNA known as Nucleoid or Genome.
4. organisms of Monera may be autotrophic or heterotrophic but most of the members are heterotrophic.
5.they may divided into three parts on the basis of heterotrophic mode of nutrition:
- Parasitic: those organism which fed on other living organism.
- saprophytic: those organism which fed on dead or decaying organic matter by decomposing it.
- symbiotic: those organism show mutualism with other living organism. for eg: Rhizobium : it shows mutualism with leguminous plants; rhizobium fixes nitrogen for plants & in return rhizobium gets carbohydrate & shade from the plant.
6. organisms of Monera do not contain chlorophyll.
7. kingdom Monera includes Bacteria, virus, Mycoplamsa etc.
8. Mycoplamsa which is the smallest living cell without cell wall is also the part of Kingdom Monera.
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