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GCSE AQA Biology Flashcards > B9 Respiration > Flashcards

B9 Respiration Flashcards

1
Q

What two types of metabolic reactions?

A
  • Anabolic (synthesis)
  • Catabolic (breaking down)
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2
Q

Examples of anabolic reactions :

A
  • Photosynthesis
  • Protien synthesis
  • DNA replications
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3
Q

Examples of Catabolic reactions :

A
  • Digestion
  • Respiration
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4
Q

What is respiration?

A

A chemical reaction which breaks down glucose into simple molecules, to release energy

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5
Q

What are the two types of respiration?

A
  • Areobic (with oxygen)
  • Anaerobic (without oxygen)
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6
Q

What is the balanced equation for aerobic respiration?

A

C6 H12 06 + 602 ——> 6H20 + 6CO2 + Energy (ATP)

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7
Q

What is the word equation for aerobic respiration?

A

Glucose + Oxygen —–> Carbon Dioxide + Water + Energy (ATP)

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8
Q

What is ATP?

A

ATP is the immediate source of energy in living organisms.

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9
Q

What is the word equation for anaerobic respriation in animals?

A

Glucose ——> Lactic Acid + Energy (ATP)

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10
Q

What is the word equation for the breaking down of Lactic Acid?

A

Lactic Acid + Oxygen —- > Carbon Dioxide + Water + Energy (ATP)

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11
Q

What is the anaerobic respriation in plants and yeast?

A

Fermentation

Glucose –> Ethanol + Carbon Dioxide + Energy (ATP)

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12
Q

Chemical Formula for Ethanol :

A

C2H5OH

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13
Q

What is oxygen debt?

A

The volume of oxygen needed to break down lactic acid.

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14
Q

What is the chemical equation for fermentation?

A

C6H12O6 —> 2C2H5OH + 2CO2 + Energy(atp)

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15
Q

What is metabolism?

A

The sum of all the checmial reactions in an organism

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16
Q

How can stored glycogen provide glucose to respiring cells in different parts of the body?

A
  • Glycogen is broken down into glucose
  • Glucose diffuses from liver
  • Blood transports dissolved glucose
  • Glucose diffuses from blood into respiring cells
17
Q

What are three features of aerobic respiration?

A
  • Uses oxygen
  • Produces water
  • Occurs in the mitochondria
18
Q

What are three features of anaerobic respiration?

A
  • Produces lactic acid
  • Occurs in cytoplasm
  • Dosen’t require oxygen
19
Q

What are similiatries between aerobic and anaerobic respiration?

A
  • both use glucose
  • both release energy (aerobic produce much more)
  • both are exothermic

GCSE AQA Biology Flashcards (18 decks)

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