Which of the following is true of archaea that produce methane? - Answer-They live in the most extreme environments
Archaea and Bacteria are most similar in terms of their _______? - Answer-Unicellular structure
Which of these deeply branching bacteria is considered a polyextremophile? - Answ...
which of the following is true of archaea that pro
Written for
SLCC
SLCC
Seller
Follow
lectknancy
Reviews received
Content preview
Microbiology Exam 1 SLCC Questions
and Answers
Which of the following is true of archaea that produce methane? - Answer-They live in
the most extreme environments
Archaea and Bacteria are most similar in terms of their _______? - Answer-Unicellular
structure
Which of these deeply branching bacteria is considered a polyextremophile? - Answer-
Deinococcus radiodurans`
The term "deeply branching" refers to which of the following? - Answer-The position in
the evolutionary tree of deeply branching bacteria
Which of the following bacterial species is classified as high G+C gram-positive? -
Answer-Corynebacterium diphtheriae
Which of the following refers to photosynthesis performed by bacteria with the use of
water as the donor of electrons? - Answer-Oxygenic
Which of the following bacteria are the most prevalent in the human gut? - Answer-
Bacteroides
Which of the following is the organelle that spirochetes use to propel themselves? -
Answer-Axial filament
Haemophilus influenzar is a common cause of which of the following? - Answer-Upper
respiratory tract infections
Class Betaproteobacteria includes all but which of the following genera? - Answer-
Campylobacter
All Alphaproteobacteria are which of the following? - Answer-Oligotrophs
Which of the following describes proteobacteria in domain bacteria? - Answer-Phylum
Which of the following refers to the type of interaction between two prokaryotic
populations in which one population benefits and the other is not affected? - Answer-
Commensalism
The term microbiota refers to which of the following? - Answer-All microorganisms in a
certain region of the human body
, The term prokaryotes refers to which of the following? - Answer-Unicellular organisms
that have no nucleus
Archae - Answer-Found in extreme environments
Alphabacteria - Answer-Can grow in low nutrient environments
Betaproteobacteria - Answer-Requires lots of nutrients
Gammaproteobacteria - Answer-Largest and most diverse class of proteobacteria
Epsilonproteobacteria - Answer-Contains pathogens that cause ulcers and food
poisoning
green and purple sulfur bacteria - Answer-Photosynthetic, do not produce oxygen
Gammaproteobacteria ex. - Answer-Haemophilus influenzae (Upper Resp. Tract infect.)
Nonproteobacteria ex - Answer-Borrelia burgdorferi
Betaproteobacteria ex - Answer-Bordetella pertusis
Firmicute ex - Answer-Clostridium
Rickettsia ex. - Answer-Alphaproteobacteria
Gram stain procedure - Answer-1. Primary stain (Crystal violet- a basic stain)
2. Mordant (Gram's iodine- I2 + KI)
(something that helps fix dye on or in a cell but does not itself contribute color)
3. decolorizing agent (Ethanol or acetone)
4. Counterstain (Safranin- a basic stain)
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 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 lectknancy. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £9.97. You're not tied to anything after your purchase.
