Which of the Following Are Thought to Cause Aging

question 33

Multiple Choice

Which of the following are thought to cause aging?

• A)Death genes are turned on later in life causing cells to deteriorate.
• B)Free radicals damage the DNA of a cell past the point where successful accurate replication can occur.
• C)Mitochondrial DNA damage results in the loss of proteins and therefore energy production ability.
• D)After a certain number of cell divisions,a cell line is pre-programmed to stop dividing and dies.
• E)All of these are theories on why we age.

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Definitions:

Tour Boat

A boat designed specifically for taking tourists on sightseeing trips.

Performance Report

A document or tool that provides information on the performance of an entity, project, or process against expected standards or targets.

Jeep Tours

An outdoor activity business offering guided tours in jeep vehicles, typically in scenic or off-road areas.

Activity Variances

The differences between the planned amounts of costs based on standard cost rates and activities, and the actual incurred costs.