Glycolysis enzymes

Question 1

Glucose to G6P (Use or Make ATP?)

Answer 1

Hexokinase - Ubiquitous
Glucokinase - Liver & Pancreas
(Uses ATP)

Question 2

G6P to F6P

Answer 2

Phosphoglucoisomerase

Question 3

Fructose to F6P

Answer 3

Hexokinase

Question 4

F6P to F-1,6-P2 (Use or Make ATP?)

Answer 4

PFK1 (Uses ATP)

Question 5

F-1,6-P2 to DHAP + Glyceraldehyde-3-Phosphate

Answer 5

Fructose Bisphosphate Aldolase

Question 6

Fructose to Fructose-1-P (Use or make ATP)

Answer 6

Fructokinase (Uses ATP)

Question 7

Fructose-1-P to DHAP + Glyceraldehyde

Answer 7

Aldolase B

Question 8

Glycerol to Glycerol-3-P (Use or make ATP?)

Answer 8

Glycerol Kinase (Uses ATP)

Question 9

Glycerol-3-P to DHAP (Uses or makes NAD+)

Answer 9

Glyceraldehyde-3-Phosphate Dehydrogenase (G3PDH) (Uses NAD+)

Question 10

DHAP ⇌ Glyceraldehyde-3-Phosphate

Answer 10

TIM (Tiose-phosphate isomerase)

Question 11

Glyceraldehyde-3-Phosphate to 1,3-Bisphosphoglycerate (Uses or makes NAD+?)

Answer 11

Glyceraldehyde-3-Phosphate Dehydrogenase (G3PDH) (Uses NAD+)

Question 12

1,3-Bisphosphoglycerate to 3-phosphoglycerate (Uses or makes ATP?)

Answer 12

Phosphoglycerate Kinase (PGK) (Makes ATP)

Question 13

3-Phosphoglycerate to PEP Unknown enzyme

Answer 13

N/A

Question 14

PEP to Pyruvate (Uses or makes ATP?)

Answer 14

Pyruvate Kinase (PK) (Makes ATP)

Question 15

Pyruvate to Lactate (Uses or makes NAD+?)

Answer 15

Lactase Dehydrogenases (LDH) (Makes NAD+ from NADH)