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Biochemistry > Especially Glycolysis > Flashcards

Especially Glycolysis Flashcards

1
Q

what is the enzyme in step 1 of glycolysis?

A

hexokinase

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2
Q

what is the sugar in step 1 of glycolysis?

A

glucose

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3
Q

what happens in step 1 of glycolysis?

A

hexokinase spends an ATP so that glucose gets phosphorylated

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4
Q

what happens in step 2 of glycolysis?

A

glucose-6-phosphate gets converted to fructose-6-phosphate

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5
Q

what is the enzyme in step 2 of glycolysis?

A

phosphogluctose isomerase

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6
Q

what is the sugar in step 2 of glycolysis?

A

fructose-6-phosphate

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7
Q

what is the enzyme in step 3 of glycolysis?

A

phosphofructosekinase

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8
Q

what is the sugar in step 3 of glycolysis?

A

fructose-1,6-bisphosphate

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9
Q

what happens in step 3 of glycolysis?

A

Phosphofructokinase spends 1 ATP so that fructose-6-phosphate gets another phosphate

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10
Q

what happens in step 4 of glycolysis?

A

Aldolase breaks fructose-1,6-phosphate into dihydroxyacetone phosphate and glyceraldehyde-3-phosphate

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11
Q

what is the sugar in step 4 of glycolysis?

A

fructose-1,6-bisphosphate

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12
Q

what are the enzyme in step 4 of glycolysis?

A

Aldolase

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13
Q

what happens in step 5 of glycolysis?

A

triose phosphate isomerase interconverts dihydroxyacetone phosphate and glyceraldehyde-3-phosphate

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14
Q

what happens in step 6 of glycolysis?

A

The Lord Giveth…

glyceraldehyde-3-phosphate dehydrogenase spends an NAD+ and an inorganic phosphate to simultaneously oxidize and phosphorylate glyceraldehyde-3-phosphate via REDOX rxn (so now it has 2 phosphates)

NADH comes out in the process

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15
Q

what is the enzyme in step 6 of glycolysis?

A

glyceraldehyde-3-phosphate dihydrogenase

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16
Q

what is the sugar as the end of step 6 of glycolysis?

A

1,3-biphosphaglycerate

17
Q

what happens in step 7 of glycolysis?

A

The Lord taketh away…

Phosphoglyerate kinase removes one of the phosphates from 1,3-bisphosphoglyerate

Generates one ATP

18
Q

what is the enzyme in step 7 of glycolysis?

A

Phosphoglycerate Kinase

19
Q

what is the sugar at the end of step 7 of glycolysis?

A

3-phospyglycerate

20
Q

what happens in step 8 of glycolysis?

A

phosphoglyeromutase moves 3-phosphoglycerate’s remaining phosphate from C3 to C2 (closer to its COO-)

21
Q

what is the enzyme in step 8 of glycolysis?

A

phosphoglyeromutase

22
Q

what is the sugar at the end of step 8 of glycolysis?

A

2-phosphoglycerate

23
Q

what happens in step 9 of glycolysis?

A

enolase converts 2-phosphoglycerate to its high energy enol isomer

24
Q

what is the enzyme in step 9 of glycolysis?

A

enolase

25
Q

what is the sugar at the end of step 9 of glycolysis?

A

phosphoenolpyruvate

26
Q

what happens in step 10 of glycolysis?

A

pyruvate kinase removes P from phosphoenolpyruvate

ATP comes out

27
Q

what is the enzyme in step 10 of glycolysis?

A

pyruvate kinase

28
Q

what is the sugar at the end of step 10 of glycolysis?

A

pyruvate

Biochemistry (23 decks)

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