Name: ______________________________Period: _________ Date: _____________
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2.
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5.
How is chemical energy produced?
a. Energy is released or absorbed whenever
_______________________ are formed or broken.
b. Because chemical reactions involve breaking and
forming of bonds, they involve changes in energy.
What is a Catalyst?
a. A catalyst is a substance that
_______________________________ of a
chemical reaction.
b. _________________ work by lowering reaction’s
activation energy.
c. Activation energy is the initial energy needed for the
reaction to happen.
What are Enzymes?
a. __________________ are _______________ that act as biological
catalysts.
b. ______________ use enzymes to speed up chemical reactions that take
place in cells.
c. Enzyme speed up reactions by lowering the activation energies.
d. Enzymes end in
i. ________
ii. Catalase
iii. Amalase
e. Enzymes provide a site where reactants can be brought together to react.
How do Enzymes Work?
a. All enzymes have an ___________________,
where substrates are attracted to.
b. Enzymes are used ___________________
again.
c. When enzymes function the active site
interacts with the substrate.
d. The ______________________ matches the
______________________.
What factors effect Enzyme Activity?
a. ______-If the pH is too high or low the enzyme will not work, because its
shape will change.
b. ______________-If temp to high or low the enzyme will not fit. No reaction
will occur.
c. Amount of ____________
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