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Anaerobic Respiration Flashcards

1
Q
  • Oxygen is not the final electron acceptor
A

anaerobic respiration

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2
Q

The final electron acceptor is an inorganic substance other than oxygen i.e.

A

anaerobic respiration

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3
Q

final electron acceptor in anaerobic respiration

A

inorganic molecule

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4
Q

final electron acceptor in anaerobic respiration

A

nitrate ion
sulfate
carbonates

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5
Q

p. aeruginosa final electron acceptor

A

nitrate ion

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6
Q

Amount of ___ produced varies with type organisms.

A

ATP

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7
Q

Only part of ___ cycle operate.

A

krebs

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8
Q

Not all ____ carriers participate.

A

electron

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9
Q

If O2 is present, the bacteria respire aerobically, and genes encoding proteins necessary for anaerobic respiration are ___

A

repressed

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10
Q

Many other organisms that carry out anaerobic respiration are obligate ____and are unable to use O2

A

anaerobes

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11
Q

aerobic terminal oxidase

A

cyt o

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12
Q

pumps two protons- resulting in more ATP

A

aerobic terminal oxidase

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13
Q

) as a final electron accepto

A

nitrate ion

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14
Q

nitrate ion is reduced to ___

A

nitrite ion, nitrous oxide, or nitrogen gas

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15
Q

if sulfate is the final electron acceptor, it turns into

A

hydrogen sulfide

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16
Q

if carbonate is the final electron acceptor, it turns into

A

methane

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17
Q

This also explains why when soil is flooded (and hence, unoxygenated), the ___ added as plant fertilizer replaces oxygen

A

nitrate

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18
Q

This also explains why when soil is flooded (and hence, unoxygenated), the nitrate added as plant fertilizer replaces oxygen, thus reducing it to ___

A

nitrite ion, nitrous oxide, nitrogen gas

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19
Q

product of usage of nitrate of plants that they cannot use

A

nitrite ion
nitrous oxide
nitrogen gas

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20
Q

___of soil then, oxygenates the soil and prevent anaerobic respiration.

A

tilling

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21
Q

with regards to microorganism, other alternative pathways include:

A

Pentose Phosphate Pathway (hexose monophosphate shunt)

entner-doudoroff pathway

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22
Q

Breaks down glucose and pentoses

A

pentose phosphate pathway

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23
Q

Provides intermediate for nucleic acid synthesis (ribulose 5-phosphate), glucose and amino acids (erythrose 4-phosphate)

A

pentose phosphate pathwawy

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24
Q

pentose phosphate pathway Provides intermediate for ___ ____synthesis (ribulose 5-phosphate), ___ and ___acids (erythrose 4-phosphate)

A

nucleic acid
glucose
amino acids

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25
Net of 1 ATP for each glucose
pentose phosphate pathway
26
what bacteria undergo pentose phosphate pathway
Bacillus subtilis Escherichia coli Leuconostoc mesenteroides Enterococcus faecalis
27
for pentose phosphate pathway, the first intermediate is the
glucose 6-phosphate
28
for pentose phosphate pathway what are intermediates not produced in glycolysis
ribulose-5-phoshate xylulose-5-phosphate
29
Metabolize glucose without glycolysis or pentose-phosphate
entner doudoroff pathway
30
Differ in some steps in glycolysis
entner doudoroff pathway
31
what microorganisms undergo Entner doudoroff pathway
Rhizobium, pseudomonas, Agrobacterium
32
instead of glucose-6-phosphate to fructose-6-phosphate, it turns into 6-phosphogluconate
Entner-Doudoroff pathway
33
can all be sources of electrons and protons for respiration.
proteins carbs lipids
34
Plants, algae, and cyanobacteria use ____ as a hydrogen donor, releasing O2 .
water
35
use water as a hydrogen donor, releasing O2
plants algae cyanobacteria
36
use H2S as a hydrogen donor, producing sulfur granules.
purple sulfur green sulfur
37
Purple sulfur and green sulfur bacteria use ___ as a hydrogen donor, producing sulfur granules.
hydrogen sulfide
38
equation for photosynthesis using water as hydrogen donor
light energy+ 6CO2+12H2O -> C6H12O6+ 6O2 + 6H2O
39
equation for photosynthesis using hydrogen sulfide as hydrogen donor
light energy + 6CO2 +12H2S -> C6H12O6+ 12S + 6H2O
40
Purple sulfur and green sulfur bacteria use hydrogen sulfide as a hydrogen donor, producing ___ granules.
sulfur
41
which is oxygenic light energy+ 6CO2+12H2O -> C6H12O6+ 6O2 + 6H2O or light energy+ 6CO2+12H2O -> C6H12O6+ 6O2 + 6H2O
first one
42
which is anoxygenic light energy+ 6CO2+12H2O -> C6H12O6+ 6O2 + 6H2O or light energy+ 6CO2+12H2O -> C6H12O6+ 6O2 + 6H2O
second one
43
photosynthesis producing oxygen as byproduct
oxygenic photosynthesis
44
photosynthesis not producing oxygen
anoxygenic photosynthesis
45
two steps in photosynthesis
light dark
46
first step in photosynthesisl
light dependent reactions
47
step in photosynthesis with photophosphorylation
light dependent reactions
48
steps in photosynthesis with Calvin-Benson Cycle
light-independent reaections
49
calvin benson cycle incorporates __ to produce sugar
CO2
50
calvin benson cycle final product
glucose
51
Light strikes ____in Photosystem to excite electrons
chlorophyll
52
Light strikes chlorophyll in ___ to excite electrons
photosystem
53
what organelle does light strike in photosystem to excite electrons
Bacteriochlorophylls in some bacteria.
54
are grouped into photosystems.
chlorophylls
55
can be cyclic or non-cyclic (for oxygenic)
phosphorylation
56
is phosphorylation cyclic/non-cycli for oxygenic
non-cylclic
57
first photosystem
photosystem II
58
second photosystem
photosystem I
59
which molecule donate electron in photosystem
water
60
cyclic photophosphorylation happens in ____
cyanobacteria bacteria plants
61
cyclic photophosphorylation what photosystem is present
photosystem I
62
Also known as Calvin-Benson cycle
dark reactions
63
what is the acceptor molecules for CO2 in dark reactions
ribulose 1,5-disphosphate
64
2 molecules of ________ is needed to make 1 molecule of glucose.
glyceraldehyde-3-phosphate
65
metabolic pathways of energy use (4)
Biosynthesis of polysaccharides Biosynthesis of simple lipids. Biosynthesis of amino acids. Biosynthesis of purine and pyrimidine nucleotides.
66
for this metabolic pathway, glycolysis intermediates are reprocessed to create ADPG to UDPG and UDPNAc
biosynthesis of polysaccharides
67
for this metabolic pathway, glycolysis intermediates are reprocessed to create what intermediates
ADPG UDPG UDPNAc
68
ADPG
Adenosine disphosphoglucose
69
ADGP is used in what storage of polysaccharides
glycogen in bacteria
70
UDPG
Uridine disphosphoglucose
71
UDPG is present in what polysaccharide
glycogen in animals
72
UDPNAc
UDP-N-acetylglucosamine
73
UDPNAc is present in what polysaccharide
peptidoglycan in bacteria
74
intermediate produced in glycolysis for anabolism
DHAP
75
DHAP is used in what pathway
biosynthesis of simple lipids
76
DHAP is converted to ___ in biosynthesis of simple lipids
glycerol
77
acetyl coA is converted to ___ in biosynthesis of simple lipids
fatty acids
78
pathway where the pentose phosphate pathway, krebs cycle, or entner doudoroff pathway undergo amination to become amino acids
biosynthesis of amino acids
79
which pathways undergo amination to become amino acids
pentose phosphate krebs entner doudoroff
80
what pathway uses glucose-6-phosphate to enter Pentose phosphate pathway or EDP to convert it to pentose
biosynthesis of purine and pyrimidine nucleotides
81
phosphoglycerate in biosynthesis of purine and pyrimidine is converted to ___ for purine nucleotides
glycine
82
what intermediate in krebs cycle is used for purine nucleotide
glutamine
83
which intermediate in krebs cycle is used for purine and pyrimidine nucleotides
aspartic acid

General Microbiology (25 decks)

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