The Type of Study That Compares a Group of People

question 73

Multiple Choice

The type of study that compares a group of people with a disease to another similar but healthy group is called a(n)

• A) double-blind study.
• B) clinical trial.
• C) animal study.
• D) case control study.

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Definitions:

Hydrogen Bonds

A type of weak chemical bond formed when the slightly positive hydrogen atom of one molecule is attracted to the slightly negative atom of another molecule, often oxygen or nitrogen.

Guanine

One of the four main nucleobases found in the nucleic acids DNA and RNA, characterized by its ability to form three hydrogen bonds when paired with cytosine.

Cytosine

A nitrogenous base found in DNA and RNA molecules, pairing with guanine in the genetic code.

DNA Polymerase

An enzyme that catalyzes the synthesis of DNA molecules from nucleotide precursors.