How Does a Catalyst Increase the Rate of a Reaction

question 41

Multiple Choice

How does a catalyst increase the rate of a reaction?

• A)It lowers the activation energy.
• B)It is neither created nor consumed in a reaction.
• C)It has nothing to do with the rate of reaction.
• D)It increases the energy difference between the reactants and products.
• E)It raises the activation energy of the reactants,which makes the reaction proceed faster.

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Definitions:

Lysenko

A controversial figure in the history of Soviet biology, Trofim Lysenko rejected Mendelian genetics in favor of his own agricultural theories, leading to widespread agricultural disaster.

Natural Selection

A fundamental mechanism of evolution where organisms better adapted to their environment are more likely to survive and reproduce.

Evolutionary Theory

A scientific theory that explains the diversity of life on Earth by proposing that life evolves over time through processes of natural selection and genetic variation.

Common Ancestor

The most recent individual from which all organisms in a group are directly descended.