Why do our cells need enzymes?
A) Enzymes are important sources of nutrients.
B) Enzymes are important inorganic compounds used by cells.
C) Enzymes provide the activation energy of a reaction so it can occur.
D) Enzymes lower the activation energy of a reaction so it can occur.
E) Enzymes increase the activation energy of a reaction so it can occur.
Correct Answer:
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Q147: Name the participants in a chemical reaction.
A)reactants
B)products
C)enzymes
D)vitamins
E)cofactors
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Q150: How are chemical reactions represented?
A)Reactions are represented
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Q153: Compare the role of water in hydrolysis
Q154: What is the source of energy that
Q155: Describe the kind of bonds that hold
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Q157: Using chemical notation,write the molecular formula for
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