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
F₁F₀ATP synthase
- F₀: embedded in membrane, pumps proton
- F₁: 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

Author

andrewlee22087

317458

Card Set

BIMM 120 CH 14 & 16

Description

bacteriology

Updated

2016-03-16T22:19:24Z

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