prokaryotes and eukaryotes study guide questions w
Written for
EXM TESTS
EXM TESTS
EXM TESTS
All documents for this subject (58)
Seller
Follow
Hkane
Reviews received
Content preview
Prokaryotes and Eukaryotes study guide.
What is peptidoglycan? - CORRECT ANSWER-It is a carbohydrate in the cell
walls of eubacteria.
What are the methanogens, halophiles and thermophiles? - CORRECT
ANSWER-Methanogen- Live in oxygen-free environments, thick mud, and
digestive tracts of animals
Thermophiles in extremely hot environments like hot springs.
Halophiles live in extremely salty environments like the great salt lake.
Which kingdom of bacteria are more closely related to Eukaryotes? - CORRECT
ANSWER-It is archaea that are more closely related.
How do you tell the difference between gram positive and gram negative bacteria
under the microscope? - CORRECT ANSWER-Gram positive bacteria have walls
that retain violet stains and negative have thinner walls and appear pink or red.
What is a chemoheterotroph? - CORRECT ANSWER-They must take in organic
molecules for energy and supply of carbon and humans and animals are also
chemoheterotrophs.
What is a photoheterotroph? - CORRECT ANSWER-They are photosynthetic-
use sunlight for energy, and also need to take in organic compounds as a carbon
source.
What is a chemoautotroph? - CORRECT ANSWER-They perform
chemosynthesis, they don't require light, and make organic molecules from
carbon dioxide. They also live in deep dark oceans near hydrothermal vents.
What is a photoautotroph? - CORRECT ANSWER-They use light energy to
convert carbon dioxide and water to carbon compounds and oxygen. They are
found where light is common like lakes, streams or oceans.
What is the difference between an obligate aerobe, obligate anaerobe and
facultative anaerobe? - CORRECT ANSWER-Obligate aerobes: require a
constant supply of oxygen
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 Hkane. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.
