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Pre-Test
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1
Which of the following is not true about an enzyme?
A)It is a carbohydrate.
B)It is a catalyst.
C)Its shape determines its specificity.
D)It lowers the activation energy required.
2
Energy is released from ATP when it
A)gains a phosphate group.
B)loses a phosphate group.
C)splits its sugar component.
D)gains a nucleotide.
3
The Second Law of Thermodynamics concerns the amount of energy in the universe.
A)True
B)False
4
Oxidation and reduction reactions always take place together.
A)True
B)False
5
Even when catalysts are available, which of the following is also required for a reaction to occur?
A)Favorable atmospheric conditions
B)Oxygen
C)Energy
D)Zinc
E)Hydrogen





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