Exam (elaborations)
Bacteriology Exam 1 questions & correct answers
- Course
- Institution
Bacteriology Exam 1 questions & correct answers
[Show more]
Content preview
Bacteriology Exam 1 questions &correct answers
microbes/microorganisms - correct answer ✔✔living things too small to be seen with the unaided eye
includes bacteria, fungi, protozoa, and microscopic algae
2 names each organism has - correct answer ✔✔genus and species
Bacteria - correct answer ✔✔-prokaryotes- no nucleus or other membrane-bound internal organelles
-single-celled
-peptidoglycan cell walls
-divide via binary fission
-derive nutrition from organic to inorganic, chemicals, or photosynthesis
Archaea - correct answer ✔✔-prokaryotes
-lack peptidoglycan cell walls
-often live in extreme environments
-include: methanogens, extreme halophiles, extreme thermophiles
Fungi - correct answer ✔✔-eukaryotes
-chitin cell walls
-absorb organic chemicals for energy
-yeasts are unicellular
-molds and mushrooms are multicellular
-molds contain masses of mycelia, composed of filaments called hyphae
Protozoa - correct answer ✔✔-eukaryotes
, -absorb or ingest organic materials
-mobile via flagella, cilia, pseudopods
-free-living or parasitic (nutrients from living host)
Algae - correct answer ✔✔-eukaryotes
-cellulose cell walls
-found in freshwater, saltwater, and soil
-photosynthesis for energy
-produce oxygen and carbphydrates
Viruses - correct answer ✔✔-acellular
-DNA or RNA core
-core surrounded by protein coat
-coat enclosed in lipid envelope
-replicated only when in living host cell
-insert outside living hosts
-non-living
Spontaneous Generation - correct answer ✔✔the hypothesis that life arises from nonliving matter; a
"vital force" is necessary for life
Biogenesis - correct answer ✔✔the hypothesis that living cells arise only from preexisting living cells
Louis Pasteur - correct answer ✔✔-microbes are responsible for fermentation
-responsible for spoilage of food and beverages
-these bacteria could be killed by heat
-germ theory of disease
Fermentation - correct answer ✔✔microbial conversion of sugar to alcohol in the absence of air
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 BravelRadon. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77254 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now