An Enzyme

question 45

Multiple Choice

An enzyme

• A) has a two-dimensional shape.
• B) is permanently changed in a chemical reaction.
• C) increases the activation energy needed in a chemical reaction.
• D) is a protein catalyst.
• E) cannot be denatured.

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Definitions:

Maintenance Documents

Records and logs that track the performance, repairs, and scheduled maintenance of machinery or vehicles to ensure proper functioning.

Driver Inspection Report

Driver Inspection Report is a document completed by vehicle operators to record the condition of their vehicle, noting any defects or maintenance needs to ensure safety and compliance.

Antifreeze Mixture

A solution, typically comprising water and ethylene glycol or propylene glycol, used in vehicle cooling systems to prevent freezing and overheating.

Standard Type 30

Often refers to a size or specification for parts such as brake chambers in commercial vehicles, indicating a common dimension or capacity.