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GCSE AQA- Biology > B4 > Flashcards

B4 Flashcards

1
Q

what kind of reaction is photosynthesis?

A

Photosynthesis is an exothermic reaction

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2
Q

how is energy transferred in photosynthesis

A

energy is transferred from the environment to chloroplast by light

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3
Q

how may glucose be used?

A

glucose could be used for respiration

  • converting insoluble into starch for storage
  • use/produce fat or oil for storage
  • use/produce cellulose to strengthen the cell wall
  • produce amino acid for protein synthesis
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4
Q

limiting factors for photosynthesis

A

limiting factors for photosynthesis

  • temperature
  • light intensity
  • carbon dioxide
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5
Q

what does inverse proportion mean?

A

inverse proportion means as one product goes up, one product comes down

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6
Q

what does aerobic respiration mean?

A

aerobic respiration- with oxygen

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7
Q

what does anaerobic respiration mean

A

anaerobic respiration is without oxygen

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8
Q

what type of reaction is cellular respiration

A

cellular respiration is an exothermic reaction and occurs continuously

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9
Q

what is produced in anaerobic respiration?

A

in anaerobic respiration lactic acid is produced

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10
Q

what is produced in aerobic respiration?

A

in aerobic respiration water and carbon dioxide is produced

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11
Q

which respiration has more energy transferred?

A

aerobic respiration has more energy transferred as the glucose is fully broken down

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12
Q

why does organism need energy?

A

organisms need energy for

  • keeping warm
  • chemical reactions to build larger molecules
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13
Q

The equation for aerobic respiration

A

Aerobic respiration

glucose + oxygen = Carbon dioxide + water

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14
Q

word equation for aerobic respiration

A

aerobic respiration equation

c6H12O6 + o2 = co2 +H20

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15
Q

where does anaerobic respiration take place

A

anaerobic respiration takes place in yeast and plant cells

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16
Q

how is anaerobic respiration represented?

A

Anaerobic respiration is represented as

glucose = ethonal + caron dioxide

17
Q

what is respiration in yeast cells called?

A

Anaerobic respiration in yeast cells is called fermentation

18
Q

what increases as you do exercise?

A

when you exercise do supply the muscles with more oxygenation blood there is an increase in

  • Heart rate
  • breathing rate
  • breath volume increase
19
Q

what is oxygen debt?

A

oxygen debt is the amount of extra oxygen the body needs after exercise to remove lactic acids from the cell

GCSE AQA- Biology (8 decks)

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