Exam (elaborations)
bisc 261 Microbiology Ch 1 Test with Questions with 100% Correct Answers
- Course
- Institution
bisc 261 Microbiology Ch 1 Test with Questions with 100% Correct Answers
[Show more]
Seller
Follow
Content preview
bisc 261 Microbiology Ch 1 Test withQuestions with 100% Correct Answers
How did cellular microbes evolve? - Answer -Mutation of DNA led to selected traits
-New genes and genotypes evolved
-Bacteria and Archaea increase genetic pool by horizontal gene transfer within the
same generation
Microbial species terminology - Answer -Eukaryotic microbes fit definition
of reproducing isolated populations
-Bacteria and Archaea do not reproduce sexually and are referred to as strains
--A strain consists of descendants of a single, pure microbial culture
-Binomial nomenclature: Genus and species
, Robert Hooke - Answer Published drawings of the fungus Mucor in his
book, Micrographia
Antony van Leeuwenhoek - Answer First person to observe microorganisms accurately
What is the Theory of Spontaneous Generation? - Answer Idea that living organisms
can develop from nonliving matter
Francesco Redi - Answer Showed that maggots on decaying meat came from fly eggs
John Needham - Answer Performed an experiment:
1. mutton broth in flasks
2. boiled
3. sealed
Results: broth became cloudy and contained microorganisms
-Experiment didn't remain sterile as boiling occurred before sealing (Media didn't
affect outcome, but rather environment the media was kept in)
Lazzaro Spallanzani - Answer Performed an experiment:
1. water and seeds in flasks
2. sealed
3. boiled
Results: no growth of microorganisms
-Experiment remained sterile as boiled occurred after sealing, allowing for no
false readings
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller KenAli. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
67163 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now