Write the distinguishing
features of monera.
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so these are the general feature of monera sorry i have not much time to write that is why shared photo.
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The distinguishing features of monera are as follows:
- Monera are about 1 micrometer in size and complex as living molecules.
- The Monera cell structure is mostly unicellular and some organisms orm groups or filaments.
- These organisms are the simplest prokaryotic cell structures.
- The cell structure lacks nuclei and many other cell organelles.
- They have a cell wall made of polysaccharides with polypeptide cross links with a chemical called peptidoglycan.
- They lack enclosed sub-cellular organelles like mitochondria and only have ribosomes.
- The genetic material DNA is contained in the cytoplasm called nucleoid.
- Many bacterial species contain rings of DNA called plasmids.The cytoplasm is enclosed by plasma membrane that lies beneath the cell wall.
- The plasma membrane is made up of lipids and proteins.Some Monera have hair like pilli for adhesion or tail-like flagella for locomotion.
- The source of nutrition for these organisms is usually photosynthesis or chemosynthesis.
- The characteristics also include the shape of the cell that includes round (cocci), rod-like (bacilli), or spiral (spirochetes or spirilla).
- Reproduction is asexually through binary fission or sexually by conjugation. The process of circulation and digestion is carried out through diffusion.
- The Monera kingdom includes all bacteria that may infect animals, humans, and plants. But most of the members are termed as beneficial bacteria, rather than pathogenic bacteria.
- The Monera kill organisms causing pathogenic diseases, breaks down algae, and can even recycle chemical pollutants like hydrogen sulfide and ammonia.
- Bacteria that grow in the root nodules help break down atmospheric nitrogen into fixed nitrogen.
- The bacteria that forms the natural flora of the intestines are very important for proper digestion.
- One of their many characteristics also includes production of antibiotics likes streptomycin that is useful for treatment of infections.
- Monera can be identified by their characteristic of cell wall that can be or not stained by Gram staining.
- Most of the Moneora can survive harsh environment by producing spore coat.
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