Difference between Bacteria and Protozoa || Bacteria vs Protozoa?#biologyexams4u

Name: Difference between Bacteria and Protozoa || Bacteria vs Protozoa?#biologyexams4u | Open Video
Uploaded: 2023-10-06T13:30:23+00:00
Duration: 5 min 20 s

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Let's begin with the similarities. Both bacteria and protozoa are unicellular microscopic organisms
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Let's take one example of each to understand the concept better. This is E. coli or
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Escaratia coli, the most extensively studied microorganism. It has been a model system for the study of
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bacterial metabolism, the cell division, cell replication, bacterial genetics, and even we are
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synthesizing recombinant proteins inside this bacteria. And this is Paramecium, a well-known model organism of the celiate group
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that is widespread in freshwater, brackish water or in marine environments. Difference number one regarding the cell structure
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Bacteria are procariots and belongs to the kingdom Monera, according to the Phi Kingdom classification proposed by Vitaker
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So as you see, precarriors, Procariodes means the genetic material is not surrounded by a membrane
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Whereas protosovo are eukaryotes, they are having a true nucleus. As you see this genetic material is surrounded by a nuclear membrane and belongs to the Kingdom protista in Phi Kingdom classification Difference number two In the case of bacteria nucleus and other membrane orgs are absent
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Orginals like endoplasmic reticulum, cold-che bodies, mitochondria, etc. are absent in bacteria
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Whereas in a proto-sova, it is a typical eukaryotic cell having all the membrane-bound orgs like ER-Col-Gi apparatus
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mitochondrian, etc. The third difference is regarding the size. Bacteria, the size ranges from 0.5 to 5 micrometer
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it is comparatively smaller to protozovans, whereas protozovans are large, typically ranging from 5 to 1,000 micrometers
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Bacteria are present in almost everywhere. They are found in diverse environments
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soil, rock, water, hot sulfur springs, and even in Arctic snow, bacteria that can thrive in high temperatures are called as thermophiles
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Some can tolerate high salinity. They are called as halophiles. Even in moon or Mars exploration for the presence of life what we are actually looking is a presence of bacteria as it can possibly live in almost any condition Whereas protosovans they are basically aquatic and they can live in fresh water brackish water or in marine environment
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Regarding the mode of nutrition, bacteria are autotrophic, maybe photosynthetic like cyanobacteria or chemosynthetic like diobacillus
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or maybe heterotrophic, may be saprophic, parasitic, or simptychic, or symbiotic, symbiotic like rhizobium that leaves in the root nodules of locumes, parasitic in many organisms also
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Whereas protozovans, the mode of nutrition is heterotrophic. The exception is in the case of euclina
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They are photosynthetic with chloroplast and they are also heterotrophic. They can survive by consuming bacteria, yeast, fungi and algae
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They are actually predators. Regarding the reproduction, bacteria, the normal method of reproduction is a sexual reproduction and that is by binary fission
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And there is a primitive form of sexual reproduction which is called as conjugation that is also happening in bacteria during unfavorable conditions
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In the case of protozovans protozovans can reproduce sexually or as sexually sexual reproduction by synchemy or sexual fusion of chemates whereas asexual reproduction by budding and binary fission And finally the role of
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bacteria in an ecosystem, they may be decomposes like bacillus septilis and pseudomonas fluorescence
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or maybe nitrogen fixes like acetobacter glostridium. Some are pathogens like streptococcus biogenis
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that goes strepthroat or micobacteric. tuberculosis that cause TB, so they are of medical importance also
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They are disease causing in wide variety of organisms including humans. But as protozovins are some are parasites like endameba histolytica that lives in
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the intestine causing intestinal illness. Some are predators like paramecium that feeds on other bacterium fungus, small zooplanktons, etc
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some are pathogens like plasmodium falciparum that causes malaria taxoplasma gondi that causes
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taxoplasmosis some are disease-causing pathogens also so these are the differences between
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protozovents and bacteria hope you are clear take care stay blessed thank you so much you are with
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Difference between Bacteria and Protozoa || Bacteria vs Protozoa?#biologyexams4u

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