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Biology > Bioenergetics (B8 B9) > Flashcards

Bioenergetics (B8 B9) Flashcards

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1
Q

What kind of reaction is photosynthesis and why?

A

Endothermic - because light energy from the sun is transferred to the chloroplasts

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2
Q

What is the word equation for photosynthesis?

A

Carbon dioxide + Water –> Glucose + Oxygen

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3
Q

Write a method for measuring the effect of light intensity on the rate of photosynthesis

A
  1. Fill a boiling tube with sodium hydrogencarbonate
  2. Place it 10cm from an LED light source
  3. Place a piece of pondweed in the tube and leave to stand for 5 minutes
  4. Count number of bubbles released in one minute
  5. Repeat 2 more times and find mean
  6. Repeat with tube at different distances from LED
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4
Q

What is the word equation of anaerobic respiration in yeast?

A

Glucose —> Ethanol + Carbon dioxide

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Biology (6 decks)

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