Which Statement Is True

question 211

Multiple Choice

Which statement is true?

• A)In 1900 most Americans lived on farms.
• B)Our nation's industrial base was largely destroyed by World War I.
• C)John D. Rockefeller controlled the U.S. automobile industry during the first two decades of the 20th century.
• D)Andrew Carnegie was the leading steel producer in the U.S. in 1900.

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Definitions:

Ex Vivo Gene Therapy

A technique where cells are modified outside the body by introducing new genetic material, and then returned to the patient's body.

Huntington Disease

Autosomal dominant genetic disorder that affects the nervous system; results in a progressive loss of neurons in the brain.

Alzheimer Disease

Disease of the central nervous system (brain) that is characterized by an accumulation of beta amyloid protein and neurofibrillary tangles in the hippocampus and amygdala.

Parkinson Disease

A degenerative disorder of the central nervous system that primarily affects movement, often including tremors and stiffness.