U3A2: 6A aerobic cellular respiration Flashcards

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1
Q

purpose of cellular respiration

A

allows cells to break down large molecules and produce large amounts of ATP. it is vital to all living organisms and occurs via two distinct biochemical pathways (aerobic respiration and anaerobic fermentation)

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2
Q

location of cellular respiration

A

mitochondria

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3
Q

mitochondrial matrix

A

space inside the inner membrane of mitochondria

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4
Q

cristae

A

peaks and ridges that the inner membrane of mitochondria fold into.

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5
Q

stages of aerobic cellular respiration

A
  • glycolysis
  • the krebs cycle
  • electron transport chain
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6
Q

location of glycolysis

A

cytosol

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7
Q

inputs of glycolysis

A

2 ADP + 2Pi, 2 NAD + 2H, 1 glucose

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8
Q

outputs of glycolysis

A

2 ATP, 2 NADH, 2 pyruvate

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9
Q

explain the process of glycolysis

A
  • glucose (1 six-carbon molecule) is broken down via enzyme-regulated recations to form 2 pyruvate molecules (2 three-carbon molecules)
  • as glucose is broken into pyruvate, energy is released, powering the loading of 2 ATP and 2 NADH.
  • the 2 pyruvate molecules are transported to the mitochondria.
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10
Q

location of the krebs cycle

A

mitochondrial matrix

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11
Q

inputs of the krebs cycle

A

2 ADP + 2Pi, 6 NAD + 6H, 2 FAD + 4H, 2 Acetyl-CoA

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12
Q

outputs of the krebs cycle

A

2 ATP, 6 NADH, 2 FADH₂, 4 carbon dioxide

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13
Q

explain the process of the krebs cycle

A
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