Microbio set3 exam3

What disease does Mycoplasma Pneumoniae cause?

Pneumonia

What kind of cell wall does Mycoplasma Pneumonia have?

It has NO cell wall, only a plasma membrane

what does Streptococcus Pneumoniae cause?

pneumonia

What do Penicillins and Cephalosporins target?

peptidoglycan

why are bacteria with no cell wall often harder to treat?

They have no peptidoglycan for antibodies to target

How do bacteria add nitrogen to soil?

They fix gaseous N2 into Ammonia and other nitrates.

How do bacteria remove nitrogen from the soil

They denitrify the soil by turning nitrates back into gaseous N2

What bacteria feeds on oil/Alkalines?

Alcanivorax

What are Archaea cell walls made of?

pseudopeptidoglycan

where are Archea usually found?

extreme enviroments

Are Archaea Heterotrophic or Autotrophic

Both

where can you find methanogens

wetlands and the rumen of cows

What is the rumen?

A section of a cows stomach containing fermentative microbes

what does the rumen do?

break down plant material

what is created in the rumen as a waste product?

CO2

what kind of microbe in the rumen helps get rid of CO2

Methanogen

What is Bacteriorhodopsin

pigment used by ARCHAEA for making energy

are archaea pathenogenic

no

what are archaea most important for in humans?

Gut health

what is a fistulated cow?

A cow with a passageway connecting the cow's rumen to the outside

what are the three shapes archaea come in?

circular, irregular, box-shaped

what is Crenarcheaota?

A group of Archaea characterized by by hyperthermophiles that prefer Sulfur rich habitats

What is Euryarchaeota?

A group of Archaea consisting of a mixture of Hyperthermophiles, Halobacterium, and Methanogens