Drawing Glycolysis

Question 1

What is step 1 of glycolysis and draw it?

Answer 1

Glucose -> Glucose 6-phosphate

ATP -> ADP

Question 2

What enzyme catalyzes step 1 of glycolysis?

Answer 2

Hexokinase

Question 3

What is step 2 of glycolysis and draw it

Answer 3

Glucose 6-phosphate < > fructose 6-phosphate

Question 4

What enzyme catalyzes step 2 of glycolysis?

Answer 4

Phosphoglucose isomerase

Question 5

What is step 3 of glycolysis and draw it

Answer 5

Fructose 6-phosphate -> fructose 1,6-bisphosphate

ATP -> ADP

Question 6

What enzyme catalyzes step 3 of glycolysis

Answer 6

Phosphofructo-kinase-1

Question 7

What is step 4 of glycolysis and draw it

Answer 7

Fructose 1,6-bisphosphate < > Dihydroxyacetone phosphate

Question 8

What enzyme catalyzes step 4 of glycolysis?

Answer 8

Aldolase

Question 9

Draw Dihydroxyacetone phosphate

Answer 9

(2-)O3PO-CH2-C(=O)-CH2OH

Question 10

What is step 5 of glycolysis and draw it?

Answer 10

Dihydroxyacetone phosphate < > glyceraldehyde 3-phosphate

Question 11

What enzyme catalyzes step 5 of glycolysis?

Answer 11

Triose phosphate isomerase

Question 12

What is step 6 of glycolysis and draw it

Answer 12

(2) Glyceraldehyde 3-phosphate < > (2) 1,3-bisphosphoglycerate
2NAD+ + 2Pi -> 2NADH + 2H+

Question 13

What enzyme catalyzes step 6 of glycolysis?

Answer 13

Glyceraldehyde 3-phosphate dehydrogenase

Question 14

Draw Glyceraldehyde 3-phosphate

Answer 14

HC(=O)-CH(OH)-CH2(OPO3(2-))

Question 15

What is step 7 of glycolysis and draw it

Answer 15

(2) 1,3-bisphosphoglycerate < > (2) 3-phosphoglycerate

2ADP -> 2ATP

Question 16

What enzyme catalyzes step 7 of glycolysis?

Answer 16

Phosphoglycerate kinase

Question 17

Draw 1,3-bisphosphoglycerate

Answer 17

(2-)O3PO-C(=O)-CH(OH)-CH2(OPO3(2-))

Question 18

What is step 8 of glycolysis and draw it

Answer 18

(2) 3-phosphoglycerate < > (2) 2-phosphoglycerate

Question 19

What enzyme catalyzes step 8 of glycolysis?

Answer 19

Phophoglycero-mutase

Question 20

Draw 3-phosphoglycerate

Answer 20

(-)O-C(=O)-CH(OH)-CH2(OPO3(2-))

Question 21

What is step 9 of glycolysis and draw it

Answer 21

(2) 2-phosphoglycerate < > (2) phosphoenolpyruvate

+2H2O

Question 22

What enzyme catalyzes step 9 of glycolysis?

Answer 22

Enolase

Question 23

What is step 10 of glycolysis and draw it

Answer 23

(2) Phosphoenolpyruvate -> (2) pyruvate

2ADP -> 2ATP

Question 24

What enzyme catalyzes step 10 of glycolysis?

Answer 24

Pyruvate kinase

Question 25

Draw Phosphoenolpyruvate

Answer 25

(-)O-C(=O)-C(OPO3(2-))=CH2

Question 26

Draw pyruvate

Answer 26

(-)O-C(=O)-C(=O)-CH3