Respiration Biochem

Question 1

First molecule in the Citric Acid Cycle

Answer 1

Citrate

Question 2

Formed from dehydration of Citrate in CAC

Answer 2

Isocitrate

Question 3

Formed from oxidation and decarboxylation of Isocitrate in CAC

Answer 3

alpha-ketoglutarate

Question 4

Formed from oxidation and decarboxylation of alpha-ketoglutarate in CAC

Answer 4

Succinyl CoA

Question 5

Formed after Succinyl CoA phosphorylates GDP to GTP in CAC

Answer 5

Succinate

Question 6

Formed after FAD oxidizes Succinate in CAC

Answer 6

Fumarate

Question 7

Formed by hydrolysis of Fumarate in CAC

Answer 7

Malate

Question 8

Formed by oxidation of Malate in CAC

Answer 8

Oxaloacetate

Question 9

Substrate that reacts with Acetyl CoA in CAC

Answer 9

Oxaloacetate

Question 10

Oxidized, decarboxylized, and reacted with Coenzyme A to form acetyl coA

Answer 10

Pyruvate

Question 11

Formed from phosphorylation of Glucose in Glycolysis

Answer 11

Glucose-6-phosphate

Question 12

Phosphoglucoisomerase forms this from glucose-6-phosphate in Glycolysis

Answer 12

Fructose-6-phosphate

Question 13

Phosphofructokinase forms this from phosphorylating fructose-6-phosphate in Glycolysis

Answer 13

Fructose-1,6-bisphosphate

Question 14

Aldolase forms both of these from cleaving Fructose-1,6-bisphosphate in Glycolysis

Answer 14

Glyceraldehyde-3-phosphate and Dihydroxyacetone phosphate

Question 15

Taken up in first step of energy payoff phase in Glycolysis

Answer 15

Glyceraldehyde-3-phosphate

Question 16

Isomerase catalyzes interconversion between what two compounds in glycolysis

Answer 16

Glyceraldehyde-3-phosphate and Dihydroxyacetone phosphate

Question 17

Forms from oxidation of G3P in glycolysis by Triose phosphate dehydrogenase

Answer 17

1,3-Bisphosphoglycerate

Question 18

Forms from substrate level phosphorylation by phosphoglycerolkinase of 1,3-Bisphosphoglycerate

Answer 18

3-Phosphoglycerate

Question 19

Phosphoglyceromutase forms this from 3-Phosphoglycerate in glycolysis

Answer 19

2-Phosphoglycerate

Question 20

Enolase forms this from 2-Phosphoglycerate in glycolysis

Answer 20

Phosphoenyl pyruvate

Question 21

Pyruvate kinase forms this from Phosphoenyl pyruvate

Answer 21

Pyruvate

Question 22

Net number of ATP from glycolysis

Answer 22

2

Question 23

Number of ATP from citric acid cycle

Answer 23

2

Question 24

Number of ATP from oxidative phosphorylation

Answer 24

26-28

Question 25

Efficiency of respiration

Answer 25

34%

Question 26

NADH enters this complex in ETC

Answer 26

Complex 1

Question 27

FADH2 enters this complex in ETC

Answer 27

Complex 2

Question 28

1st molecule in Complex 1

Answer 28

Flavoprotein

Question 29

2nd molecule in Complex 1

Answer 29

Iron sulfur protein

Question 30

1st molecule in Complex 2

Answer 30

Iron sulfur protein

Question 31

molecule after complex 1 and 2

Answer 31

Ubiquinone/Coenzyme Q

Question 32

Number of molecules in complex 3

Answer 32

3

Question 33

Molecule between complex 3 and 4

Answer 33

Cytochrome C

Question 34

Number of molecules in complex 4

Answer 34

2

Question 35

most molecules in ETC after ubiquinone

Answer 35

Cytochromes

Question 36

Converted to ethanol in fermentation

Answer 36

acetaldehyde