Stages of glygolysis Flashcards

1
Q

Where does glycolysis take place?

A

Cytosol of the cell

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2
Q

What enzyme controls the rate limiting step of glycolysis?

A

Phosohofructose kinase

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3
Q

What are the final products of glycolysis?

A

2 pyruvate
2 ATP (4 produced, 2 used up)
2 NADH

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4
Q

1st step of glycolysis (glucose ->)

A

Glucose ==> Glucose-6-phosphate

(hexose kinase)
(ATP -> ADP)

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5
Q

2nd stage of glycolysis (glucose-6-phosphate ->)

A

Glucose-6-phosphate => fructose-6-phosphate
(phosphoglucose isomerase)

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6
Q

3rd stage of glycolysis (fructose-6-phosphate ->)

A

Fructose-1,6- BisPhosphate
(PhosphoFructsose Kinase)

(ATP -> ADP)

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7
Q

4th stage of glycolysis (fructose-1,6-bisphosphate)

A

Fructose-1,6-BisPhosphate
I (aldolase) I
V V
GLAP <—————– DHAP
triose phosphate isomerase

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8
Q

5th stage of glycolysis (GLAP)

A

GLAP -> 1,3 - BisPhosphoGlycerate
(GLAP Hydrogenase)
(2NAD + 2Pi –> 2NADH)

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9
Q

6th stage of glycolysis (1,3-BisPhosphoGlycerate)

A

3-PhosphoGlycerate
(PhosphoGlycerate Kinase)
(2ADP -> 2ATP)

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10
Q

7th stage of glycolysis (3-PhosphoGlycerate)

A

2-PhosphoGlycerate
(PhosphoGlycerate Mutase)

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11
Q

8th stage of glycolysis (2-PhosphoGlycerate)

A

PhosphoEnolPyruvate
(Enolase)

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12
Q

9th stage of glycolysis (PhosphoEnolPyruvate)

A

Pyruvate
(pyruvate kinase)
(2ADP -> 2ATP)

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13
Q

What are the 2 stages of glycolysis that produce ATP?

A

1,3-BisPhosphoGlycerate -> 3-PhosphoGlycerate

PhosphoEnolPyruvate -> Pyruvate

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14
Q

What enzymes catalyses glucose -> glucose-6-phosphate

WHat is produced in this

A

Hexose kinase

ATP -> ADP

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15
Q

What enzymes catalyses glucose-6-phosphate -> fructose-6-phosphate

What is produced

A

Phosphoglucose isomerase

nothing

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16
Q

What enzymes catalyses fructose-6-phosphate -> fructose-1,6-bisphosphate

What is produced

A

phosphofructose kinase

ATP->ADP

17
Q

What enzymes catalyses fructose-1,6-bisphosphate -> GLAP and DHAP

A

Aldolase

18
Q

What enzymes catalyses DHAP -> GLAP

A

triose phosphate isomerase

19
Q

What enzymes catalyses GLAP -> 1,3 - bisphosphoglycerate

what is produced

A

GLAP hydrogenase

2NAD + 2Pi -> 2NADH

20
Q

What enzymes catalyses 1,3 - bisphosphoglycerate -> 3 phosphoglycerate

What os produced?

A

phosphoglycerate kinase

2ADP -> 2ATP

21
Q

What enzymes catalyses 3-phosphoglycerate -> 2-phosphoglycerate

what is produced

A

phosphoglycrate mutase

nothing

22
Q

What enzymes catalyses 2-phosphoglycerate -> phosphoenolpyruvate

what is produced

A

Enolase

nothing

23
Q

What enzymes catalyses phosphoenolpyruvate -> pyruvate

what is produced

A

pyruvate kinase

2ADP -> 2ATP