Somatic Cancer Cells Often Are Unstable and Divide Inappropriately (Divide

question 39

Multiple Choice

Somatic cancer cells often are unstable and divide inappropriately (divide when they should not be dividing) . In addition such cells often contain losses of some chromosomes and extra copies of other chromosomes. Defects in which of the following may be partially responsible for the aberrant behavior of cancer cells? (Select all that apply.)

• A) spindle-assembly checkpoint
• B) G₁/S checkpoint
• C) homologous chromosome pairing
• D) crossing over

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Definitions:

Career Change

The process of switching from one profession or occupation to another, often involving retraining and the development of new skills.

Mental Health

refers to the state of someone’s emotional, psychological, and social well-being, affecting how they think, feel, and act.

Identity Certainty

A state of clear, secure understanding, and confidence in one's own sense of self, values, and beliefs.

Generativity

A sense of productivity and creativity, usually developed during middle adulthood, involving concern for establishing and guiding the next generation.