Chapter 20, 21, 25, 24, 26, Flashcards

1
Q

Electron flow from NADH & FADH2 to O2, to drive ATP synthesis occurs in the ____________ other wise known as the respiratory chain

A

electron-transport chain

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2
Q

Within the electron transport chain, oxidative phosphorylation occurs, creating transforming _______

A

ADP > ATP

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3
Q

In the Electron-transport chain, the substrates NADH & FADH2 are oxidized and the reduced products are _____ & ______

A

H20 & ATP

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4
Q

A series of redox reactions begins with the oxidation of NADH & FADH2 and ends with the reduction of _____

A

O2

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5
Q

In what complex does the electrons of NADH enter the chain at NADH-Q oxidoreductase that consists of prosthetic groups FMN and FE-S proteins?

A

Complex 1

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6
Q

In complex 1, the flow of two electrons from NADH, gives off how many H+ in the inter membrane space?

A

4 H+

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7
Q

In what complex does the electrons of FADH enter the chain at Succinate-Q reductase Complex which consists of carriers that are FAD, Fe-S proteins?

A

Complex 2

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8
Q

In complex 2, how many H+ are given off by FADH2?

A

0 H+

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9
Q

In what complex does the transfer of electrons from C1 & C2 enter the Q-cytochrome c oxidoreductase that is composed of a Heme and Fe-S protein?

A

Complex 3

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10
Q

In complex 3, the flow of two electrons through this complex gives off how many H+ in the inter membrane space?

A

2 H+

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11
Q

Flow of proton back into the _______ drives ATP synthesis from ADP + Pi by ATP synthase

A

Matrix

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12
Q

ETC generates a ___________

A

Proton motive force

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13
Q

In intermenbrane space pH is _____ & negative field matrix

A

Lower

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14
Q

Within the electrical gradient & pH gradient the H+, thus pH is _______ & negative field in matrix

A

Higher

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15
Q

Electrons do not flow from fuel molecules to o2, ___________ ATP needs to be synthesized

A

UNLESS

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16
Q

In what complex do protons flow back into the matrix and ATP is produced from ADP + Pi?

A

Complex V

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17
Q

NADH from glycolosis is in the _______

18
Q

Etc is in the

A

Mitochondria

19
Q

Electrons from NADH are carried across the mitochondrial membrane how?

A

By glycerol 3 phosphate shuttle or

Malate aspartate shuttle

20
Q

Glycerol 3 phosphate shuttle occurs In the

21
Q

Cytoplasmic NADH’s H+ is transferred by cytoplasmic glycerol 3 phosphate dehydrogenase into the glycerol 3 phosphate which is then carried by mitochondrial glycer 3 phosphate dehydrogenase to FAD to FADH in the

22
Q

In what shuttle does NADH is dehydrogenase to NAD and enters the matrix as NAD+ and is reverable?

A

Malays aspartate shuttle

23
Q

How many ATP does NADH produce

24
Q

How many ATP does FADH produce

25
How many ATP does malware aspartate shuttle yield
38
26
How many ATP does glycerol 3 phosphate yield
36 ATP
27
a-D glucose monomers are linked primarily by _____ glycosidic bonds
A-1,4
28
8-10 glucosyl residues, branch are linked primarily by _____ glycosidic bonds
A-1,6
29
What had ^ solubility & ^ terminal residues
Branching
30
What is ^ when well fed state & v when fasting
Liver glycogen
31
What is v when exercising
Muscle glycogen
32
In what organ is the function of glycogen to maintain blood glucose concentration, especially during early stage of fasting?
Liver
33
In what organ is the function of glycogen to serve as a fuel reserve for the synthesis if ATP during muscle contraction
Muscle
34
In glycogenolysis (breakdown of glycogen) the substrate is glycogen and the product is
Glucose 1 phosphate
35
During the shortening of chains, where is it cleaved?
A-1,4
36
Glucose 1 phosphate > glucose 6 phosphate uses enzyme phosphoglyxomutase to enter the
Metabolic parhwY
37
In glucose 6 phosphate > glucose it is to maintain blood glucose, to be taken up by the brain, skeletal muscle and rbc. It is absent in muscle and present in the
Liver
38
What pathway uses glucose but doesn't directly deal with ATP production?
HMO shunt
39
In phase 1 of HMP Shunt, oxidative production of what occurs?
NADPH
40
In phase 2 of the HMP shunt, non oxidative inter conversion of what
Sugars
41
In the HMP shunt excess _________ formed can be completely converted into glycolytic intermediate
Ribose 5 P