Which of the Following Is True of a Catalyst

question 65

Multiple Choice

Which of the following is true of a catalyst?

• A)It is a group of proteins produced by the immune system in response to an invasion by foreign substances.
• B)It is a chemical messenger secreted by body organs in response to conditions that require regulation.
• C)It is a substance that hastens the rate of a chemical reaction without permanently altering itself.
• D)It is a protein that helps transport different substances around the body.
• E)It is a compound that helps maintain the acidity or alkalinity of a solution.

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