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Biology > Respiration > Flashcards

Respiration Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Advantage of ATP as energy source

A

Energy is available for immediate use

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2
Q

Nitrogenous base and sugar in ATP

A

Nitrogenous base-adenine

Sugar-ribose

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3
Q

Aerobic respiration

A

C6H12O6+6O2————>6CO2+6H2O+energy

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4
Q

Glucose storage polysaccharide and location

A

Glycogen

Location:liver

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5
Q

3 products of the Krebs cycle

A
  1. NADH
  2. ATP
  3. CO2
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6
Q

Final electron acceptor in aerobic respiration

A

Oxygen

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7
Q

3-carbon molecule

A

Pyruvic acid

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8
Q

Pathway where pyruvic acid is produced

A

Glycolysis

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9
Q

Pyruvate

A

-Converted to Acetyl CoA in stage 2 where it loses co2 molecule
-Krebs cycle:energy released from Acetyl CoA in form of high energy electrons which combine with NAD+ to for NADH
Electron transport system:low energy electrons combine with oxygen and hydrogen to form H2O

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10
Q

Fate of pyruvate when no oxygen is available

A

Muscle-lactic acid

Yeast-ethanol and co2

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11
Q

Stage 1 and location

A

Glycolysis and cytosol

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12
Q

Stage 2 and location

A

Krebs cycle and lumen of mitochondria

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13
Q

Stage 3 and location

A

Electron transport chain and cristae

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14
Q

Function of water

A

Transport

Medium for all chemical reactions

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15
Q

2 processes which require ATP

A

Respiration

Photosynthesis

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16
Q

Krebs cycle

A

2nd stage of aerobic respiration
Acetyl CoA broken down to co2 and protons
Releases high energy electrons which combine with NAD+ to form NADP

17
Q

ADP

A

Adenosine di-phosphate
Low energy molecule
Combines with a phosphate and energy molecule to form ATP and water

18
Q

Glycolysis

A

1st stage of respiration
Takes place in cytosol
Anaerobic process
Low-energy release

19
Q

Role of NAD/NADP+

A

Transferring electrons

20
Q

Role of electrons

A

Used in making of H2O

21
Q

Production of alcohol by yeast

A

Add yeast and glucose to conical flask
Add glucose to separate flask(control)
Attack fermentation lock to both
Leave in incubator at 30 degrees overnight

22
Q

To show presence of alcohol

A

Add potassium iodide and sodium hydrochloride
Put in a water bath for 4-5 mins
Allow to cool
Presence of alcohol will result in yellow crystals

Biology (13 decks)

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