Some Kinds of Drain Cleaners Use Enzymes Rather Than Strong,more

question 23

Multiple Choice

Some kinds of drain cleaners use enzymes rather than strong,more dangerous chemicals.These enzymes are most likely 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) let excess heat be passed off into the environment.

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Definitions:

Laboratory Test

A procedure carried out under controlled conditions to determine the effectiveness, safety, or composition of a substance.

Gram-negative

Refers to bacteria that have a specific cell wall structure which does not retain the crystal violet stain used in Gram's method of staining; often associated with higher resistance to antibiotics.

Lipids

A broad class of biomolecules that are insoluble in water and include fats, oils, and cholesterol, playing key roles in energy storage and cell structure.

Peptidoglycans

A complex polymer of amino sugars and amino acids that forms a mesh-like layer outside the plasma membrane of most bacteria, providing structural support and shape.