Glencoe Biology

Section 2: Chemical Reactions

Self-Check Quizzes-English

1
What principle can be applied to all chemical reactions?
A)conservation of mass
B)reactants formed from products
C)energy loss theory
D)coefficient principle
2
What kind of chemical reaction does this energy diagram show?
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A)exothermic
B)endothermic
C)ionic
D)mass creating
3
The minimum amount of energy needed for a chemical reaction is called ____.
A)product threshold
B)absorbent energy
C)principle mass
D)activation energy
4
What is the function of the enzyme-substrate complex?
A)destroy the enzyme
B)prevent bondage at the active site
C)stop chemical reactions
D)break and forming chemical bonds
5
How can enzymes benefit chemical reactions, as shown in this energy diagram?

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A)lowering activation energy
B)raising activation energy
C)slowing reactions
D)increasing the amount of product
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