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BIO150 > Cellular respiration ( krebs cycle ) > Flashcards

Cellular respiration ( krebs cycle ) Flashcards

(71 cards)

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1
Q

a process that is named after hans kreb

A

kreb cycle

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2
Q

kreb cycle is also known as

A

citric acid cycle

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3
Q

where will this reaction will occur

A

in the matrix of mitochondria

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4
Q

name 3 process that occurs in kreb cycle

tip: ORD

A

oxidation, reduction, decarboxylation

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5
Q

what will enter the kreb cycle at the start of the reaction?

A

Acetyl CoA

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6
Q

a process that requires oxygen

A

kreb cycle

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7
Q

name the substance that is released at the end of the reaction

A

carbon dioxide

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8
Q

how many ATP is released per cycle?

A

1 ATP

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9
Q

name 3 substance that is produced in kreb cycle

tip: NFC

A

NADH, FADH2, CO2

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10
Q

how many NADH, FADH2 and CO2 are produced from 1 turn of the kreb cycle

A

3NADH, 1FADH2, 2CO2

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11
Q

how many times the cycle will turn for one glucose molecule?

A

it will turn twice

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12
Q

name 4 substance that is produced after two turns of the kreb cycle
tip: NFCA

A

NADH, FADH2, CO2, ATP

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13
Q

how many NADH will be produced at the end of the kreb cycle

A

6 NADH

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14
Q

how many FADH2 will be produced at the end of the kreb cycle

A

2 FADH2

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15
Q

how many CO2 will be produced at the end of the kreb cycle

A

4 CO2

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16
Q

how many ATP will be produced at the end of the kreb cycle

A

2 ATP

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17
Q

how many steps are there in krebs cycle

A

9 steps

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18
Q

(1) what is the first substance to enter the kreb cycle

A

Acetyl CoA ( 2C )

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19
Q

(1) ____ is stripped from Acetyl CoA and recycled

A

CoA

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20
Q

(1) 2C ( acetyl ) will ____ with 4C (oxaloacetate) to ___ 6C ( citrate )

A

combine, form

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21
Q

(1) substance that has 2C

A

acetyl

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22
Q

(1) substance that has 4C

A

oxaloacetate

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23
Q

(1) substance that has 6C

A

citrate

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24
Q

(1) acetyl and oxaloacetate will react/combine with each other to form _____

A

citrate

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25
(1) state the enzyme involved in synthesis of citrate in step 1 tip: cs
citrate synthase
26
(2) _____ occurs in step 2
isomerisation
27
(2) citrate are _____ by the removal and addition of H2O molecule
rearranged
28
(2) how are the citrate rearranged in step 2
by the removal and addition of H2O molecule
29
(2) what is being added to rearrange citrate in step 2
a H2O molecule
30
(2) what is the product of rearrangement of citrate
isocitrate
31
(2) state the enzyme involved in the rearrangement of citrate in step 2 tip: a
aconitase
32
(3) step 3 involves _____ & ______ process
oxidation and decarboxylation
33
(3) isocitrate will undergo ____ and lose ____ molecule in the form of CO2
oxidation, carbon
34
(3) in what form will the isocitrate lose its carbon molecule
in the form of carbon dioxide
35
(3) what is the result of oxidation of isocitrate in step 3
α-ketoglutarate
36
(3) what will be reduced in step 3
NAD+
37
(3) what is the result of reduction of NAD+ in step 3
NADH
38
(3) state the enzyme involved in the formation of α-ketoglutarate in step 3
isocitrate dehydrogenase
39
(4) what process will happen in step 4
oxidation and decarboxylation
40
(4) α-ketoglutarate will be _____ and lose ____
oxidised, CO2
41
(4) the C from CO2 will ____ with Coenzyme to form Succinyl CoA
combine
42
(4) what will be combined with the CO2 from α-ketoglutarate in step 4
coenzyme A
43
(4) what will be formed as the result of oxidation of α-ketoglutarate in step 4
Succinyl CoA
44
(4) state the enzyme involved in the forming of succinyl CoA in step 4
α-ketoglutarate dehydrogenase
45
(5) what process will happen in step 5 | tip: slp
substrate level phosphorylation
46
(5) CoA from Succinyl CoA will be ____ by Pi and ____ to GDP to form GTP
displaced, transferred
47
(5) in step 5, CoA will be replaced by a _____ group
phosphate
48
(5) Pi from GTP is ____ ADP to produce ATP
transferred to
49
(5) what is the result of the transfer of Pi to GDP
GTP
50
(5) what is the result of the transfer of Pi to ADP
ATP
51
(5) ATP, ADP, GTP. ADP | arrange these molecules according to its order
GDP, GTP, ADP, ATP
52
(5) state the enzyme that is involved in the forming of succinate
succinyl coA synthethase
53
(5) state the product of reaction in step 5 (succinyl coA -> _____)
succinate
54
(6) state the process that occurs in step 6
oxidation
55
(6) succinate will undergo _____ to form fumarate
oxidation
56
(6) state the result of the oxidation of succinate in step 6
fumarate
57
(6) state the result of the transfer of 2H to FAD in step 6
FADH2
58
(6) state the enzyme involved in the oxidation of succinate
succinate dehydrogenase
59
(7) state the process that occurs in step 7
hydration process
60
(7) fumarate will be ____ to malate
converted
61
(7) how does malate in step 7 is formed | tip: the name of the process
through the addition of H2O
62
(7) state the result of hydrolysis of fumarate in step 7
formation of malate
63
(7) state the enzyme involved in the hydrolysis process of fumarate
fumarase
64
(8) state the name of the process in step 8
oxidation
65
(8) malate will be de____ to form oxaloacetate
oxidised
66
(8) state the result of oxidation of malate in step 8
formation of oxaloacetate
67
(8) what process did malate go through to form oxaloacetate
deoxidation process
68
(8) in the meantime, NAD+ will be ____ to NADH
reduced
69
(8) state the result of reduction of NAD+ in step 8
NADH
70
(8) state the enzyme involved in the deoxidation process of malate
malate dehydrogenase
71
(9) oxaloacetate will be ____ to start the cycle once again
ready

BIO150 (14 decks)

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