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Bio 183 > Cellular Respiration > Flashcards

Cellular Respiration Flashcards

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Biology 101 flashcards
1
Q

oxidation

A

loss of electrons

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2
Q

reduction

A

gain of electrons

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3
Q

dehydrogenation

A

lost electrons are accompanied by hydrogen

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4
Q

NAD carries

A

electrons

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5
Q

NAD accepts what to become NADH

A

2 electrons and 1 protein

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6
Q

aerobic respiration

A

final electron receptor is oxygen

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7
Q

anaerobic respiration

A

final electron acceptor is an organic molecule

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8
Q

fermentation

A

final electron acceptor is an organic molecule (carbon)

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9
Q

oxidation of glucose

A

cells are able to make ATP via substrate level or oxidative phosphorylation

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10
Q

substrate level phosphorylation

A

transferring a phosphate directly to ADP from another molecule (makes ATP)

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11
Q

substrate level phosphorylation requires an

A

enzyme

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12
Q

oxidative phosphorylation

A
  • use of ATP synthase
  • energy derived from a proton gradient to make ATP
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13
Q

stages of oxidative phosphorylation

A
  1. glycolysis
  2. pyruvate oxidation
  3. krebs cycle
  4. electron transport chain
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14
Q

electron transport chain substrate

A

10 NADH and 2 FADH2

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15
Q

electron transport chain end product

A
  • 30-34 ATP
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16
Q

in order for glycolysis to occur

A

needs 2 ATP

17
Q

in mitochondria a multienzyme called

A

pyruvate dehydrogenase

18
Q

pyruvate dehydrogenase is

A

a catalyst for pyruvate oxidation

19
Q

all original glucose carbon is released in

A

krebs cycle

20
Q

products per acetyl CoA

A
  • 2 CO2
  • 3 NADH
  • 1 FADH2
  • 1 ATP
21
Q

after glycolysis, pyruvate oxidation, and krebs cycle, glucose has been oxidized to

A
  • 6 CO2
  • 4 ATP
  • 10 NADH
  • 2 FADH2
22
Q

NADH and FADH2 electron carriers are used in

A

the electron transport chain as a substrate for Hydrogen reaction

23
Q

energy lost in the electron transport chain is used to

A

pump protons across the membrane from the matrix to the inner membrane space

24
Q

every ATP produced is done via

A

oxidative phosphorylation because its all done with ATP synthase

25
Q

NADH

A

accepts electrons from NADH carrier

26
Q

ATP synthase

A

ADP binds to, driven by Hydrogen channel

27
Q

in the ETC, hydrogens

A

travel down to turn ATP synthase to open binding sites for ADP

28
Q

bacteria energy yield of respiration

A

38 ATP

29
Q

eukaryotic energy yield of respiration

A

36 ATP

30
Q

oxidation without O2

A

fermentation reduces organic molecules in order to regenerate NAD plus

31
Q

lactic acid fermentation

A

electrons are transferred from NADH to pyruvate to produce lactic acid

32
Q

ethanol fermentation

A

occurs in yeast

Bio 183 (12 decks)

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