A Cell Has Been Subjected to Ultraviolet Irradiation, Causing a Significant

question 56

Multiple Choice

A cell has been subjected to ultraviolet irradiation, causing a significant number of mutations in the genome. Which of the following would you NOT expect to occur as a result?

• A) Activation of the protein kinase ATR
• B) Activation of the protein kinase Chk1
• C) Inactivation of the protein phosphatase Cdc25
• D) Binding of p53 to Mdm2
• E) Stabilization of p53

---

Definitions:

Collective Unconscious

The collective unconscious, a concept proposed by Carl Jung, refers to the part of the unconscious mind that is derived from ancestral memory and experience and is common to all humankind.

Carl Jung

A Swiss psychiatrist and psychoanalyst who founded analytical psychology, known for his concepts of the collective unconscious and archetypes.

Memory Traces

The lasting imprint of information in the brain, theorized to be the basis for memory retention.

Excessive Fixation

An unhealthy or obsessive focus on a particular object, idea, or activity.