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Bio 250 Exam 1 (Microbiology) Questions and Answers 100% Pass
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Bio 250 Exam 1 (Microbiology) Questions and Answers 100% Pass Microbiology - The study of microorganisms Microscopic, single cell , cluster, chains carry out life processes dependently or independently? - Carry out life processes INDEPENDENTLY as SINGLE CELLS What are Viruses? - microscopic, n...

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  • December 27, 2024
  • 62
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • bio 250 exam 1 microbiology questions and answer

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  • BIO 250
  • BIO 250

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Bio 250 Exam 1 (Microbiology)
Questions and Answers 100% Pass

Microbiology - ✔✔The study of microorganisms


Microscopic, single cell , cluster, chains carry out life processes dependently or independently? -

✔✔Carry out life processes INDEPENDENTLY as SINGLE CELLS


What are Viruses? - ✔✔microscopic, non-cellular, RNA or DNA


Bacterial and their processes and their effects on society, humans, animals, and the environment




what are the two basic themes? - ✔✔1. Basic - cellular processes




2. Applied - practical problems in agriculture,


health and history


what are the 5 types of microorganisms? - ✔✔1. bacteria


2. fungi


3. Protozoa


4. Algae


5. Viruses




Author: Katelyn Whitman. ©2025, All Rights Reserved.

, 2|Page


what are bacteria? - ✔✔SINGLE CELLED ORGANISMS


- - prokaryotic


- - no nucleus


bacteria are prokaryotic, what does this mean? - ✔✔they have no membrane bound organelles and no

true nucleus


what are the three shapes of bacteria? - ✔✔1. spherical


2. rod


3. spiral


what is an example of a bacteria (from book)? - ✔✔Klebsiella Pneumoniae


- rod shaped


- causes pneumonia


What are algae - ✔✔single celled microorganisms


Are algae eukaryotic or prokaryotic? - ✔✔Eukaryotic


T/F: algae have membrane bound organelles and a nucleus - ✔✔True


- Algae are eukaryotes


T/F: Algae are photosynthetic? - ✔✔True


Where do algae live? - ✔✔Fresh water and marine environments


T/F: algae cause diseases in humans - ✔✔False


- ALGAE DO NOT CAUSE DISEASES IN HUMANS




Author: Katelyn Whitman. ©2025, All Rights Reserved.

, 3|Page


What is an example of an algae (from book) - ✔✔Micrasteria


- green algae found in FRESHWATER


what are Fungi? - ✔✔single celled microorganisms (yeasts)


multicelluslar microorganisms (Molds)


what are single celled fungi called - ✔✔yeasts


what are multicelled fungi called - ✔✔molds


Are fungi prokaryotic or eukaryotic? - ✔✔Eukaryotic


where are fungi found? - ✔✔widely distributed in water and soil as decomposers of dead organisms


which microorganism is important for medicine? - ✔✔Fungi


what is an example of a fungus? (from the book) - ✔✔philobolus Crystallinus


what are viruses? - ✔✔acellular entities too small to be seen with a light microscope


what are viruses composed of? - ✔✔nucleic acids and proteins


T/F: viruses are cell types - ✔✔False


they are acellular


what is a bacteriophage? - ✔✔viruses that infect bacteria


T/F: a virus can contain both RNA and DNA - ✔✔False


a virus can only contain DNA or RNA, not both


what is a viroid - ✔✔nucleic acid without protein coating


what are prions? - ✔✔infectious proteinacceous particles



Author: Katelyn Whitman. ©2025, All Rights Reserved.

, 4|Page


- cause mad cow disease


what is an example of a virus (from the book) - ✔✔bacteriophage


- virus that infect bacteria


what is protozoa ? - ✔✔single (protozoan)


- single-celled microorganism


t/F: protozoa are eukaryotic - ✔✔true


T/F: protozoa DO NOT have a nucleus and DO NOT have membrane bound organelles - ✔✔False:


- protozoans do have a nucleus and have membrane bound organelles because they are eukaryotes


where are protozoans found - ✔✔a variety of water and soil environments


what is an example of a protozoa? - ✔✔amoeba


plague is caused by what - ✔✔bacteria


typhoid fever is caused by what? - ✔✔bacteria


hepaitis is caused by what? - ✔✔virus


measles, mumps, small pox caused by what - ✔✔virus


varicella morbidity is caused by what? - ✔✔virus


yellow fever is caused by what - ✔✔virus


what is the ONE fungal disease? - ✔✔Coccidiodomycosis


what are the 5 protozoan diseases? - ✔✔1. babesiosis


2. cryptosporidisosis



Author: Katelyn Whitman. ©2025, All Rights Reserved.

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