Respiration

Question 1

The scheme of glycolysis was given by

Answer 1

Otto Meyerhoff, Gustav embden and j parnas

Question 2

Glycolysis is also called

Answer 2

GMP pathway

Question 3

How many enzyme mediated reactions take place in glycolysis

Answer 3

10

Question 4

When is water synthesised in glycolysis

Answer 4

Conversion of 2 phosphoglycerate to 2 phosphoenolpyruvate

Question 5

In lactic acid fermentation and alcoholic fermentation the net atp gained is

Answer 5

2

Question 6

In alcoholic fermentation how much energy trapped in atp is released

Answer 6

Less than 7 %

Question 7

Yeast poison themselves to death when concentration of alcohol in them reaches

Answer 7

About 13 %

Question 8

First process in respiration takes place in the

Answer 8

Matrix of Mitochondria( Krebs cycle )

Question 9

The second process of respiration takes place in the

Answer 9

Inner membrame of Mitochondria ( ETS)

Question 10

Pyruvic acid after it enters mitochondrial matrix undergo

Answer 10

Oxidative decarboxylation

Question 11

Oxidative decarboxylation is catalyzed by

Answer 11

Pyruvic dehydrogenase

Question 12

Which is the substance that enters Krebs cycle

Answer 12

Acetyl CoA

Question 13

After isocitrate how many steps of decarboxylation for formation of alpha ketoglutaric acid

Answer 13

2

Question 14

Total net atp formed as a result of glycolysis

Answer 14

8

Question 15

When is gtp synthesised

Answer 15

Succinyl CoA to succinic acid

Question 16

The first member of Krebs cycle is

Answer 16

OAA

Question 17

Net atp from Krebs cycle

Answer 17

12 atp

Question 18

1st 4 carbon compound I

Answer 18

Succinic acid

Question 19

The only 5 carbon compound in Krebs cycle

Answer 19

Alpha keto glutaric acid

Question 20

Within Krebs cycle the first release of co2 is from

Answer 20

Oxalosuccinic acid

Question 21

Complex 1 is

Answer 21

NADH dehydrogenase

Question 22

Ubiquinone receives Reducing equivalents from

Answer 22

NADH dehydrogenase ( Complex 1) and succinate dehydrogenase ( Complex 2)

Question 23

How many steps of decarboxylation in Krebs cycle

Answer 23

2

Question 24

In link reaction how many steps of decarboxylation

Answer 24

1

Question 25

Ubiquinone transfer the electrons to

Answer 25

Cytochrome c through cytochrome bc1

Question 26

Complex 3 is

Answer 26

Cytochrome bc1

Question 27

Cytochrome c is small protein attached to the

Answer 27

Outer surface of the inner membrane

Question 28

Cytochrome c helps in transfer of e from

Answer 28

Complex 3( cyt bc1) to complex 4 ( cyt c oxidase)

Question 29

Cyt c oxidase complex contains

Answer 29

Cyt a and cyt a3 and 2 copper centre

Question 30

Number of atp synthesised depends on

Answer 30

Nature of e donor

Question 31

Final hydrogen acceptor in ETS

Answer 31

Water

Question 32

The integral protein of atp synthase complex is

Answer 32

F0

Question 33

Total atp synthesised

Answer 33

38 atp

Question 34

If fatty acids are respired then they would be needed to degraded to

Answer 34

Acetyl CoA

Question 35

Glycerol would enter the pathway after being converted to

Answer 35

PGAL

Question 36

Proteins need to be degraded as protease or individual Amino acids and would enter as

Answer 36

Pyruvate or acetyl CoA

Question 37

RQ is

Answer 37

Volume of CO2 evolved / volume of O2 consumed

Question 38

When tripalmitine used as resp quotient

Answer 38

0.7

Question 39

In glycolysis e are removed by

Answer 39

NAD

Question 40

When Protein used as resp substrate rq value is

Answer 40

0.9