In a Recent Survey, Juliano and Colleagues (2012) Recorded the Prevalence

question 59

Multiple Choice

In a recent survey, Juliano and colleagues (2012) recorded the prevalence of withdrawal symptoms among adult respondents who expressed interest in reducing or quitting caffeine use. What percent of individuals who used approximately double the normal daily average intake for U.S. adults experienced headaches as a withdrawal symptom?

• A) 10%
• B) 30%
• C) 60%
• D) 90%

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Definitions:

Spindle Fibers

Protein structures that divide genetic material in a cell by pulling chromosomes apart during cell division.

Cytokinesis

The process during cell division in which the cytoplasm of a single eukaryotic cell is divided to form two daughter cells.

Eukaryotic Chromosomes

Linear DNA molecules contained in the nucleus of eukaryotic cells, associated with a large variety of proteins such as histones, facilitating gene regulation and chromosome organization.

Histone Proteins

Proteins that package and order DNA into structural units called nucleosomes, playing a key role in gene regulation and expression.