Some Kinds of Drain Cleaners Use Enzymes Rather Than Strong

question 48

Multiple Choice

Some kinds of drain cleaners use enzymes rather than strong, more dangerous chemicals. These enzymes must be able to

• A)catalyze a catabolic reaction.
• B)raise the activation energy of the reaction that clears the clog.
• C)create energy that can be used to break up the clog.
• D)allow excess heat to be passed off into the environment.

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Definitions:

Unlike Charges

Opposite electric charges (positive and negative), which attract each other according to Coulomb's law.

Attraction

The force that causes one object to pull another object to itself.

Repulsion

The force that causes one object to push another object away from itself.

Smallest Part

The component or piece within a system or mechanism that is the least in size, volume, or quantity.