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15
×
What is induced fit?
A change in enzyme shape to bind to a substrate
The rise in the free energy in a cell
A chemical reaction in a cell
The barrier to a chemical reaction in the cell
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15
×
Iron binds tightly to the heme group in the protein hemoglobin. What type(s) of helper molecule would this be considered?
The process through which oxygen is converted to energy
The process through which oxygen enters the cell
The process through which food enters the cell
The process through which food is converted to energy inside
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15
×
Many coenzymes are derived from _____.
metals
inorganic molecules
All of these answers are correct.
vitamins
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15
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Competitive inhibition involves an inhibitor
Initiating enzyme function
Binding to the active site
Recognizing a substrate
Binding away from the location
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15
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An enzyme will reach its saturation point
when no more enzyme is available to work on substrates
when it is at an optimum temperature
when no more substrates are available
when it is at an optimum pH
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lifesaver
Give 15 points!
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fairy
Take points!
5
10
15
20
25
×
shark
Other team loses 10 points!
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banana
Go to last place!
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thief
Give points!
5
10
15
20
25
×
fairy
Take points!
5
10
15
20
25
×
shark
Other team loses 20 points!
Okay!
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lifesaver
Give 25 points!
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15
×
The location of substrate binding is called the
Induced Fit
Lactose
Catalyst
Active Site
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trap
No points!
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gold
Win 50 points!
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rocket
Go to first place!
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baam
Lose 25 points!
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15
×
A coenzyme is differentiated from the broader class of cofactors because it is _____.
All of these answers are correct.
organic
inorganic
metal
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boom
Lose 50 points!
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magnet
Take 15 points!
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gift
Win 15 points!
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baam
Lose 5 points!
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15
×
What is the main function of an inhibitor?
Positively regulate an enzyme's activity
Decrease the rate of reaction
Increase the rate of reaction
Disrupt an enzyme's activity
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15
×
Which of the following is NOT true of lactase?
It can break down different sugar substrates besides lactose
It is an enzyme
It forms an enzyme-substrate complex with lactose
Lactose binds in its active site
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15
×
Which of the following is true about enzymes?
Enzymes lower the activation energy
Enzymes increase the temperature
Enzymes raise the activation energy
Enzymes leave the activation energy the same
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15
×
The following conditions can denature an enzyme
increased substrate concentration only
extreme temperature only
extreme pH and increased substrate concentration
extreme temperature and extreme pH
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15
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Which of the following occur at the point of saturation?
None of the answers are correct
The reaction rate plateau and reaches its maximum
Both answers are correct
The reaction rate becomes faster
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