Dr Langston Is Undertaking a Formal Trial to Confirm or Disconfirm

question 597

Multiple Choice

Dr. Langston is undertaking a formal trial to confirm or disconfirm his hypothesis regarding whether his new drug will more rapidly alleviate migraine headaches. Dr. Langston is conducting a(n)

• A)naturalistic observation.
• B)medical survey.
• C)case study.
• D)experiment.

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Definitions:

Enzymes

Biological catalysts that speed up chemical reactions in living organisms by lowering the activation energy.

Enzyme Function

The role enzymes play in accelerating chemical reactions in biological systems without being consumed in the process.

Lock-and-key Model

A model explaining enzyme specificity, where the enzyme's active site (lock) perfectly fits the substrate (key), facilitating the chemical reaction.

Energy Of Activation

The minimum energy that must be supplied to reactants to initiate a chemical reaction.