Development of a "Cancer Vaccine" Is Difficult at Least in Part

question 28

True/False

Development of a "cancer vaccine" is difficult at least in part because there are so many mechanisms by which cancer cells can evade the immune response.

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Definitions:

Rapid-eye-movement Sleep

A phase of sleep characterized by rapid movements of the eyes, low muscle tone throughout the body, and the propensity of the sleeper to dream vividly.

Deep Sleep

A phase of sleep characterized by slow brain waves, known as delta waves, during which recuperation and memory consolidation occur.

Immaturity

A lack of development in emotional, physical, or intellectual aspects, resulting in behavior considered inappropriate for an individual's age.

Nervous System

The network of nerve cells and fibers that transmits nerve impulses between parts of the body, controlling and coordinating bodily functions.