Metabolism

Question 1

Characteristics of the peptide bond

Answer 1

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Question 2

Covalent bonds

Answer 2

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Question 3

Hydrogen bonds

Answer 3

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Question 4

Ionic interactions

Answer 4

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Question 5

Van der Waals forces

Answer 5

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Question 6

Hydrophobic interactions

Answer 6

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Question 7

N linked glycosylation

Answer 7

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Question 8

Glutamine

Answer 8

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Question 9

Formation of of gamma-carboxyglutamate

Answer 9

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Question 10

6 reaction types defining metabolism

Answer 10

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Question 11

Glycolysis reaction 1

Answer 11

Enzyme: hexokinase
Reactant: glucose
Product: glucose-6-phosphate and a proton
Reaction:

Question 12

Glycolysis reaction 2

Answer 12

Enzyme: phosphoglucose isomerase
Reactant: glucose-6-phosphate
Product: fructose-6-phosphate
Reaction:

Question 13

Glycolysis reaction 3

Answer 13

Enzyme: phosphofructokinase
Reactant: fructose-6-phosphate
Product: fructose-1,6-biphosphate
Reaction:

Question 14

Glycolysis reaction 4

Answer 14

Enzyme: aldolase
Reactant: fructose-1,6-biphosphate
Product: glyceraldehyde-3-phosphate and dihydroxyacetone phosphate
Reaction:

Question 15

Glycolysis reaction 5

Answer 15

Enzyme: triose phosphate isomerase (TPI)
Reactant: dihydroxyacetone phosphate
Product: glyceraldehyde-3-phosphate
Reaction:

Question 16

Glycolysis reaction 6

Answer 16

Enzyme: glyceraldehyde 3-phosphate dehydrogenase
Reactant: 2 x glyceraldehyde-3-phosphate
Product: 2 x 1,3-biphosphoglycerate
Reaction:

Question 17

Glycolysis reaction 7

Answer 17

Enzyme: phosphoglycerate kinase
Reactant: 2 x 1,3-biphosphoglycerate
Product: 2 x 3-phosphoglycerate
Reaction:

Question 18

Glycolysis reaction 8

Answer 18

Enzyme: phosphoglycerate mutase
Reactant: 2 x 3-phosphoglycerate
Product: 2 x 2-phosphoglycerate
Reaction:

Question 19

Glycolysis reaction 9

Answer 19

Enzyme: enolase
Reactant: 2 x 2-phosphoglycerate
Product: 2 x phosphoenolpyruvate and 2 x water molecule
Reaction:

Question 20

Glycolysis reaction 10

Answer 20

Enzyme: pyruvate kinase
Reactant: 2 x phosphoenolpyruvate
Product: 2 x pyruvate
Reaction:

Question 21

3 possible pathways which the pyruvate molecules can take

Answer 21

• alcoholic fermentation
• generation of lactate
• generation of acetyl CoA

Question 22

Alcoholic fermentation

Answer 22

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Question 23

Generation of lactate

Answer 23

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Question 24

Generation of acetyl CoA

Answer 24

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Question 25

Pyruvate dehydrogenase complex

Answer 25

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Question 26

Pyruvate decarboxylase

Answer 26

Function:

Prosthetic group:

Question 27

Lipoamide reductase-transacetylase

Answer 27

Function:

Prosthetic group:

Question 28

Dihydrolipoyl dehydrogenase

Answer 28

Function:

Prosthetic group:

Question 29

LDH

Answer 29

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Question 30

Creatine phosphate

Answer 30

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Question 31

Glycerol phosphate shuttle

Answer 31

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Question 32

Malate-aspartate shuttle

Answer 32

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Question 33

define coenzyme

Answer 33

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Question 34

Glucose metabolism in cancer

Answer 34

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