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BIMM 120 CH 14 & 16
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proton motive force
drive protons across the membrane to produce ATP
three major classes that use ETS
organotrophy
: organic electron donor
lithotrophy
: inorganic electron donor
phototrophy
: light absorption excites electrons
a reaction is favored by
positive E and negative G
proton motive force is known as
chemiosmosis
PMF drives the conversion of ____ to _____ through _____
ADP to ATP through ATP synthase
PMF drives what cell processes
ATP synthesis
flagella rotation
uptake of nutrients
efflux of toxins
salmonella enterica can use what as terminal electron acceptor
tetrathionate
F
1
F
0
ATP synthase
F
0
: embedded in membrane, pumps proton
F
1
: protrudes in cytoplasm generates ATP
dissimilatory metal reduction
class of anaerobic respiration that involves reduction of metals
most commonly iron and manganese
methanogenesis
conversion of CO2 and H2 to methane
fermentation industry goes back to what year?
5000 BC
what are mushrooms
fungal fruiting bodies
edible algae
seaweed
edible bacteria
cyanobacterium spirulina
purpose of food fermentation
preserve food
improve digestibility
add nutrients or flavor
traditional fermented foods depend on
indigenous flora
starter cultures
food fermentations produce ___ and ____ which serve as effective _____
acids and bases
preservatives
acidic fermentation of yogurt and cheese
lactic acid fermentation with lactobacillus and streptococcus
in all fermented foods, microbial metabolism generates by-products that confer characteristic ____ and ____
aroma and flavor
theobroma cacao fermentation produces what and uses what microbes?
chocolate
microbes from indigenous flora
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Author
andrewlee22087
ID
317458
Card Set
BIMM 120 CH 14 & 16
Description
bacteriology
Updated
2016-03-16T22:19:24Z
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