glycolysis Flashcards

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1
Q

what is the starting molecule in glycolysis

A

glucose (6 carbon)

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2
Q

where does glycolysis occur?

A
  • aerobic and anaerobic respiration
  • in the cytoplasm of the mitochondria
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3
Q

what is the first stage in glycolysis from glucose?

A
  • phosphorylation of glucose
  • glucose uses 2 ATP molecules to add 2 phosphates
  • forming hexose bisphosphate
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4
Q

what is the second stage in glycolysis from hexose bisphosphate?

A
  • hexose bisphosphate splits as it is unstable
  • forming 2 molecules of triose phosphate
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5
Q

what is the third stage in glycolysis from triose phosphate?

A
  • inorganic phosphate ions are added from the cytoplasm
  • forming 2 molecules of triose bisphosphate
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6
Q

what is the fourth stage of glycolysis from triose bisphosphate?

A
  • oxidation
  • phosphate groups are removed
  • 4 molecules ATP released
  • 2 molecules reduced NAD released
  • 2 molecules pyruvate formed
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7
Q

state the 4 stages of glycolysis

A
  • phosphorylation
  • lysis
  • phosphorylation
  • dehydrogenation
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8
Q

what are the products of glycolysis

A
  • 2 NAD reduced
  • 2 pyruvate
  • net gain 2 ATP
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9
Q

what happens to the products of glycolysis

A

actively transported into mitochondrial matrix for oxidative phosphorylation and Krebs cycle

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