BI 234 EXAM 1 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED LATEST UPDATE
4 views 0 purchase
Course
BI 234
Institution
BI 234
BI 234 EXAM 1 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED LATEST UPDATE
Autotroph
An organism that makes its own food
Heterotroph
organism that obtains energy from the foods it consumes; also called a consumer
Eukaryote
A cell that contains a nucleus and membrane bound organelles...
organism that obtains energy from the foods it consumes; also called a consumer
Eukaryote
A cell that contains a nucleus and membrane bound organelles
Prokaryote
A unicellular organism that lacks a nucleus and membrane bound organelles
Major characteristics of bacteria and archaea
-unicellular
-prokaryotes
-may have flagella
-binary fission
-cell wall
-heterotrophs and autotrophs
Archaea have psuedomurein cell wall; bacteria have peptidoglycan cell wall.
Major characteristics of Fungi
,- heterotrophs
- unicellular or multicellular
- eukaryotes
- non-motile
- mitosis (budding)
- cell wall made of chitin
Major characteristics of Protozoa
- autotrophs and heterotrophs
- unicellular
- eukaryotes
- flagella, cilia, pseudopods, or non-motile
- mitosis
- no cell wall
Major characteristics of Algae
- autotroph
- unicellular and multicellular
- eukaryotes
- non-motile
- mitosis
- cell wall made of cellulose
Major characteristics of Helminthes (parasitic worms)
- heterotrophs
- multicellular
, - eukaryotes
- move by muscles
- mitosis
- no cell wall
Major characteristics of a virus
- acellular
- DNA or RNA
- non-motile
- no cell wall, but have protein coat
Major characteristics of prions
- acellular
- no DNA
they are a protein
Major roles of microbes in the environment
- breakdown and recycle nutrients in the soil.
-photosynthesis
-digestive tracts in humans to help breakdown food to convert to energy
Why are microbes essential for life?
convert chemical compounds into nutrients for other organisms. An example of this is
photosynthesis.
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 NurseAdvocate. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.49. You're not tied to anything after your purchase.
