Which of the Following Statements About Cellular Aging Is True

question 74

Multiple Choice

Which of the following statements about cellular aging is true?

• A) Cells can replicate indefinitely, but errors do occur.
• B) Aging may be caused by the inevitable loss of the ability of cells to duplicate perfectly.
• C) Damage is caused by free radicals that slow down the cell-duplication process.
• D) Cells from adults are able to duplicate more quickly and more times than are cells from embryos.

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Definitions:

Sensorimotor Stage

In Piaget’s theory, the stage (from birth to nearly 2 years of age) during which infants know the world mostly in terms of their sensory impressions and motor activities.

Piaget

A Swiss psychologist renowned for his pioneering work in child development and his theory of cognitive development which describes how children construct a mental model of the world.

Concrete Operational

Pertains to a stage in Piaget's theory of cognitive development, where children gain the ability to think logically about concrete events.

Formal Operational

The stage of cognitive development in which people start to think logically about abstract concepts.