The Incidence of Disease X Is 56/1,000 Per Year Among

question 4

Multiple Choice

The incidence of disease X is 56/1,000 per year among smokers and 33/1,000 per year among nonsmokers.What proportion of cases of disease X are due to smoking among those who smoke?

• A) 23%
• B) 33%
• C) 41%
• D) 56%
• E) 59%

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Definitions:

Mitochondrial Matrix

The innermost compartment of mitochondria, filled with enzymes that are involved in energy production through the citric acid cycle.

Intermembrane Space

The region located between the inner and outer membranes of a mitochondrion or a chloroplast.

Cytoplasm

The gel-like substance enclosed within the cell membrane of all cell types, containing all organelles except the nucleus; involved in cellular processes such as growth and metabolism.

Alcoholic Fermentation

A biochemical process by which yeasts transform sugars into ethanol and carbon dioxide, important in brewing, winemaking, and baking.