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Bacteria are prokaryotes, meaning they have no membrane-bound nuclei, or organelles. They are also single celled, and typically autotrophic, which means that is can make its own food.

Protozoa are eukaryotic organisms, meaning they have a membrane-bound nucleus. It is also single celled, but it is a heterotroph, meaning it cannot make its own food.

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Margarette Ratke

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2y ago
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AnswerBot

4mo ago

Bacteria and protozoans are both single-celled organisms, but they have different cellular structures and genetic makeup. Bacteria have simpler cells without a nucleus, while protozoans have more complex cells with a nucleus. Additionally, bacteria can be autotrophs or heterotrophs, while protozoans are usually heterotrophs that ingest food.

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14y ago

Bacteria and protozoa are different in many ways one of them is feeding.

Protozoa feed on bacteria and other smaller microbes by engulfing then digusting them. Bacteria feed on dead animal and plant materials making it decay . This recycels nutrieunts.

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13y ago

Protists and bacteria belong to different domains of life, the eukaryotes and the prokaryotes, sundered by long eons of evolution. Nonetheless, like all forms of life on Earth, they share a common ancestor, and thus there are a number of intriguing similarities. Despite the incredible diversity of both protists and bacteria, you can make a few generalizations about what they share in common.

  1. Genetic Code
    • In protists, bacteria and all other organisms, certain sequences of chemical base pairs in DNA code for certain amino acids. The code is nearly universal, in the sense that the same sequence from the DNA will code for the same sequence of amino acids in both a protist and a bacterium. Exceptions to this universality include the fact that some bacteria use the sequence UAG to code for pyrrolysine rather than a stop codon, which is how it is used in other organisms. Nonetheless, for the most part, the code is a remarkable similarity between bacteria and protists.

    Ribosomes
    • Both bacteria and protists first transcribe sections of their DNA code into RNA, then translate this RNA into protein using complex structures called ribosomes. Again, protists and bacteria share these similarities with all other known forms of life. The structure of the ribosome differs somewhat between bacteria and eukaryotes like the protists. This difference is an important one, too, because some antibiotics kill bacteria by making use of differences between bacterial and eukaryotic ribosomes.

    Cell Membranes
    • Both bacteria and protists have cell membranes made of chemicals called phospholipids. A phospholipid in a bacterium or a protist has a water-soluble group at one end and a water-insoluble tail at the other, so the cell membranes of bacteria and protists are constructed from a bilayer of phospholipids. The tails on both point toward the center of the bilayer. Bacteria have a cell wall in addition to their cell membrane, however, and some bacteria have both an inner and outer membrane.

    Highly Conserved Processes
    • Bacteria and protists share striking similarities in various biochemical processes that are also very similar to those in all other lifeforms. The process that bacteria and protists use to break down glucose is called glycolysis. Although there are some variations, glycolysis takes place in nearly all known organisms. Likewise, the process of DNA replication is very similar between bacteria and protists with some minor differences

-Anish

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12y ago

bacteria are ukaryotic and protists are prokaryotic

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12y ago

protozoa is a unicellular, usually obligate intracellular parasite. bacteria has a rigid cell wall,peptidoglycan or LPS. and protozoa doesn't have it.

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12y ago

Because bacteria are prokaryotes and protozoa are eukaryotes. :3

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13y ago

different: the protist has a organella, and a nucleas

thats all i know and did you forget your science book at home? and are you in 7th or 8th grade?;)

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Q: Are bacteria similar to and different from protozoans?
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Related questions

How is a parasite different from bacteria?

Protozoans are eukaryotes. Bacteria are prokaryotes.


What group contains organisms that are the least similar?

Organisms from different domains (Bacteria, Archaea, and Eukarya) are the least similar to each other. These domains represent the highest level of biological classification and have significant differences in their cellular structures and functions.


Who discovered bacteria and protozoans?

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Example of unicellular organisms?

bacteria,viruses,moeba,and paramesium


Who discovered bacteria and protozoans with microscope he made himself?

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Is protozoan a bacteria?

No. Protozoans, now called protists, are eukaryotes while bacteria are prokaryote cells.


What is deference between protozoans and bacteria?

Protozoans are eukaryotic, single-celled organisms with complex cellular structures and can be parasitic or free-living, while bacteria are prokaryotic, single-celled organisms that are much smaller in size compared to protozoans and have simpler cellular structures. Additionally, some bacteria can cause diseases in humans and other organisms, whereas protozoans are generally not known to cause diseases.


What is a reproductive body produced by bacteria fungus or some protozoans?

Spore


What makes algae different from protozoans?

Algae are autotrophs, while protozoans are heterotrophs.


Is a bacterium a protozoan?

No. Bacteria have prokaryotic cells, while protozoans have eukaryotic cells.


What is very small and can make you sick?

The are microbes like bacteria, fungi, viruses, and protozoans


What are some things that are decomposers?

list of decomposers are-------> fungi bacteria earthworms termites protozoans