Applied Microbiology Flashcards
What is nitrogenase inhibited by
Oxygen
Nitrogen fixing bact are obligate anaerobes
What do nitrogen fixing bact do
Where are they foud
Convert nitrogen gas to ammonia
They include cyano
And soil living bact
Live in plant roots
What is associated with legumes
Rhizobium
Aerobic
What do nitrifiers do
Converte ammonia to nitrate
What do dentrifiers do
Convert ammonia to nitrogen gas
How are plants part of nitrogen cycle
Make amino acids
Only way animals can get nitrogen
What is oligotrophic water
Lacking nutrients
What happens during secondary treatment
Aerobicly organisms degrade material to carbon dioxide and water
How is sludge handled
Anaerobic ally converted to methane
What makes cheese ripe
Acid production
Examples of specific organisms for specific taste
Propionibacterium
Penicillium
What is added to wine to prevent spoiling
Sulfur dioxide
What enzyme is needed to make beer
Amylase
Get it from barley
What inactivated beer enzymes
Hops wort being boiled
