Exam 3

Question 1

Hexokinase

Answer 1

Glucose to Glucose 6 phosphate

Question 2

Phosphoglucose isomerase

Answer 2

Glucose 6-phosphate to Fructose 6 phosphate

Question 3

Phosphofructokinase

Answer 3

Fructose 6 phosphate to fructose 1, 6 bisphosphate

Question 4

Aldose

Answer 4

Breaks fructose 1,6 bisphosphate to Glyceraldehyde 3 phosphate and dihydroxyacetone phosphate

Question 5

Trios phosphate isomerase

Answer 5

isomerizes Dihydroxyacetone phosphate to Glyceraldehyde 3 phosphate

Question 6

Glyceraldehyde 3 phosphate dehydrogenase

Answer 6

Glyceraldehyde 3 phosphate to 1,3 bisphoshphoglycerate

Question 7

Phosphoglycerate kinase

Answer 7

1,3 bisphosphoglycerate to 3 phosphoglycerate

Question 8

Phosphoglycerate mutase

Answer 8

3 phosphoglycerate 2 phosphoglycerate

Question 9

enolase

Answer 9

2 phosphoglycerate to phosphoenolpyruvate

Question 10

pyruvate kinase

Answer 10

phosphoenolpyruvate to pyruvate

Question 11

What does glycolysis cost?

Answer 11

1 glucose + 2 NAD+ + 2 ATP + 2 ADP + 2 Pi

Question 12

what does glycolysis produce per glucose molecule?

Answer 12

2 pyruvate molecules + 4 ATP + 2 NADH

Question 13

What type of reaction hexokinase?

Answer 13

Phosphoryl transfer

Question 14

What type of reaction Phosphoglucose isomerase

Answer 14

Isomerization

Question 15

What type of reaction phosphofructokinase

Answer 15

Phosphoryl transfer

Question 16

Aldolase what type of reaction

Answer 16

lyase , Aldo cleavage

Question 17

triose phosphate isomerase what type of reaction

Answer 17

isomerization

Question 18

Glyceraldehyde 3 phosphate what type of reaction?

Answer 18

phosphorylation coupled with oxidation

Question 19

phosphoglycerate kinase what type of reaction

Answer 19

phosphoryl transfer

Question 20

phosphoglycerate mutase what type of reaction

Answer 20

Phosphoryl shift

Question 21

Enolase what type of reaction

Answer 21

Dehydration - water is formed

Question 22

pyruvate kinase what type of reaction

Answer 22

Phosphoryl transfer

Question 23

What coenzyme does Hexokinase require?

Answer 23

Mg 2+ and Mn 2+

Question 24

what is converting in the isomerization of glucose 6 phosphate to fructose 6 phosphate

Answer 24

ALdose is converting to ketose

Question 25

Where does Glycolysis take place?

Answer 25

In the cell cytosol

Question 26

Key to the formation of 1, 3 bis phosphoglycerate from 3 glyceraldehyde 3 phosphate

Answer 26

intermediate linked to the enzyme by a thioester after aldehyde is oxidized

Question 27

Formation of which sugars use ATP

Answer 27

Glucose 6 phosphate and fructose 1,6 bisphate

Question 28

which step in glycolysis produces NADH

Answer 28

1 step in stage 2. 1,3 bisphosphoglycerate from glyceraldehyde 3 phosphate

Question 29

Which steps of glycolysis are irreversible?

Answer 29

Hexokinase, phosphofructose kinase, pyruvate kinase