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15
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In a investigation into the effect of pH on enzyme activity - what would the controlled variables be?
Amount of substrate, temperature, Amount of enzyme, method of testing
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lifesaver
Give 20 points!
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star
Double points!
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rocket
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thief
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25
15
×
What chemical is used to test for starch
Iodine
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15
×
Which part of an enzyme does the substrate fit into?
Active site
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15
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Which small molecules (2) make up fats?
Fatty acids and glycerol
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thief
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gold
Win 50 points!
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rocket
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banana
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15
×
What is the substrate for carbohydrase?
Carbohydrates
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heart
Other team wins 5 points!
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fairy
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shark
Other team loses 15 points!
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thief
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15
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Name three factors that affect enzyme activity
Temperature, pH, Concentration (of enzyme or substrate)
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15
×
What colour does iodine turn in the presence of starch
Blue Black
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15
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What happens when an enzyme is denatured?
The active site changes shape / Substrate no longer fits
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15
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What does optimum conditions mean
The best conditions for enzyme action
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15
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In a investigation into the effect of pH on enzyme activity - what would the dependent variable be?
Time take for enzyme activity / Rate of reaction
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boom
Lose 50 points!
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gold
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gift
Win 25 points!
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thief
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15
×
Why does an enzyme only catalyse one type of reaction
Active site is only complimentary to one substrate
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15
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