Respiration Flashcards

1
Q

what are the carriers in the ETC called?

A

cytochromes

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2
Q

how many molecules of ATP are made per molecule of glucose? (ETC)

A

38

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3
Q

how many ATP are made in glycolysis?

A

4 (2 net)

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4
Q

what does each molecule of pyruvate turn into in the link reaction?

A

acetyl CoA

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5
Q

what product is formed in muscle cells in anaerobic respiration?

A

lactic acid

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6
Q

what phases of respiration involve oxidative phosphorylation?

A

ETC

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7
Q

how many ATPs are made in the link reaction?

A

0

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8
Q

what is the role of O2 in the ETC?

A

O2 is an electron acceptor

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9
Q

how many molecules of ATP are made per molecule of NADH2? (ETC)

A

3

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10
Q

where does the link reaction take place?

A

the mitochondrial matrix

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11
Q

how many molecules of ATP are made per molecule of FADH2? (ETC)

A

2

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12
Q

how many molecules of NADH2 are made per Krebs cycle?

A

6

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13
Q

how many molecules of ATP are made per Krebs?

A

2

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14
Q

how many molecules of NADH2 are made per link reaction cycle?

A

2

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15
Q

where does the Krebs cycle take place?

A

matrix

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16
Q

how many Krebs are there per molecule of glucose?

A

2

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17
Q

which phases of respiration involve substrate level phosphorylation?

A

Glycolysis, Krebs, Link

18
Q

what does the 6 carbon glucose molecule turn into in glycolysis?

A

2 x 3 carbon pyruvate

19
Q

how many molecules of ATP are yielded per molecule of glucose in anaerobic respiration?

20
Q

where is the electron transport chain?

21
Q

what product is formed in plant cells in anaerobic respiration?

22
Q

how many molecules of FADH2 are made per Krebs cycle?

23
Q

where does glycolysis take place?

A

in the CYTOPLASM

24
Q

how many molecules of NADH2 are made in glycolysis?

25
where does glycolysis take place?
in the CYTOPLASM of the cell
26
is glycolysis aerobic or anaerobic?
anaerobic
27
what is the yield of glycolysis?
4 ATP (2 nett) 2 NADH
28
how does the pyruvate go into the mitochondrion for the link?
active transport
29
what reaction turns glucose to GP and hexose biphosphate?
phosphorylation (ATP goes to ADP)
30
what reaction turns TP pyruvic acid?
oxidation ( loss of hydrogen to make NAD into NADH)
31
where does the link reaction take place?
the mitochondrial matrix
32
what are the products of the link reaction?
2 CO2 and 2 NADH per glucose
33
describe the link reaction
pyruvate is dehydrogenised and decarboxylated to form acetate, acetate combines with coA to form actetyl coA
34
what is dehydrogynation?
loss of hydrogen (H+)
35
what is decarboxylation?
loss of carbon atom
36
where does the krebs cycle happen?
mitochondrial matrix
37
how is the 6 carbon compound formed?
acetyl coA (2 carbon) combines with a 4C compound
38
draw out krebs and check against notes
(insert picture)
39
what is substrate level phosphorylation?
creation of ATP without ATP synthase, phosphate is added from another molecule
40
what are the products of the krebs cycle? (per cycle)
3 x NADH, 1 x ATP, 1 x FADH, 2 x CO2
41
where does oxidative phosphorylation take place?
cristae
42
describe oxidative phosphorylation
e- and H+ are released from reduced coenzymes (eg) NADH), electrons flow along the ETC in a series of redox reactions, electrons release energy that pumps H+ into the intermembrane space, H+ flow down the proton gradient through ATP Synthase which phosphorylate ADP to make ATP. O2 is the final electron accepter and makes water.