BCM42 Flashcards

1
Q

give 5 examples of chemolithotroph types

A
nitrifying bacteria
suphur oxdisers
irn bacteria 
hydrogen bacteria 
carboylbacteria
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2
Q

give examples of conditions of extremophiles

A

themophiles >6.5 ->119.5
acidophile ph1
halophile 8m naoh

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3
Q

how is electron transport more complex in prokaryotes

what is this called

A

there are several different electron donors and several differetn electron acceptors
electron donors can go in at different points at nadh the dehydrogenase, the quinone poool, cyt c or cytochrome oxidase
energy dependent reverse e transfer

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4
Q

where do sulfobus live

A

hot sulfuric acid

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5
Q

what are the conditions inside hydrothermal vents

A
no light
low 02 4 degree c high pressure 
2.5km down 
black smokers = 400 degrees
h2s and other minerals
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6
Q

what can survive in hydrothermal vent

A

rifitia pachyptilia
tube worm
with symbiotic bacteria

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7
Q

what is a trophosome

A

organ that houses bacteria that completely nourish the host

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8
Q

what do the symbiotic bacteria in tube worms do?

A

oxidise sulfer to make organis molecules host can use

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9
Q

what does the tube worms haemoglobin contain

A

specilises haemoglob contains 02 and h2s

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10
Q

what is nanoarcheam

A

marine archae discovered in hydrothermal vent
obligate symbiont on archae ignicoceus which is an thermophile with a peculiar genome 16srna is undetectable
given own phylum

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11
Q

where does chlorophyl depenedent oxygenic photosynthesis occur

A

in cyanobacterium

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12
Q

where does bacteriochlorophull depened anoxygenic photosynthesis occur

A

in purple and green bacteria

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13
Q

where does bacteriorhodpsin dependent photosyntehsis occur

A

in halobacterirum

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14
Q

do archea have a nucleys

A

no

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15
Q

how are archea identified

A

rRNA seq

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