Microbiology: major types of organisms and how they differ from one another

user101

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10 years ago

Microbiology: major types of organisms and how they differ from one another

Hi. Having a little trouble organizing this in my head and on paper for an exam, hoping someone could help.
The question is : "List the major types of organisms that are studied in microbiology and describe how they differ from one another in size and cell type." Any help is appreciated. Thanks.

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PharmacyMajor

wrote...

10 years ago

major types: protozoa, fungi, algae, viruses and bacteria

bacteria: single celled, prokaryotic organisms
viruses: acellular (not cellular) , composed of nucleic acids surrendered by a protein coat

protozoa and fungi are eukaryotic cell

protozoa: single celled, eukaryotic organisms and lack a cell wall

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user101 Author

wrote...

10 years ago

Thank you PharmacyMajor!

Ok, let me see if I have this right.

Prokaryotes:

Bacteria- single celled, no nucleus, live in extreme environments, ubiquitous

Eukaryotes:

Protozoa (algae, protists)-most are single celled, no cell wall, classified by their locomotion ( Sarcodina, Mastigophora, ciliophora, and Sporozoa)

Helminths-multi-cellular, classified by structure (Trematodes, Cestodes, and Nematodes)

Fungi- multi-cellular, have nucleus

Viruses- Non-cellular, parasitic, protein coated genetic elements, dependent on infected host

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PharmacyMajor

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10 years ago

You got it! Slight Smile

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