Which Cell Cycle Checkpoint Is Most Responsible for the Decision

question 50

Multiple Choice

Which cell cycle checkpoint is most responsible for the decision of the cell to commit to dividing?

• A) the S/G₂ checkpoint
• B) the G₁/S checkpoint
• C) the spindle-assembly checkpoint
• D) the G₂/M checkpoint
• E) the G₁/G₂ checkpoint

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Definitions:

Oedipus Complex

Oedipus Complex is a Freudian theory proposing a child's unconscious sexual desire for the opposite-sex parent and jealousy toward the same-sex parent.

Phallic Stage

The attachment of libido to the genitals.

Castration Anxiety

In psychoanalytic theory, a child's fear of losing their genitalia as a punishment for sexual desires or as a result of sexual competition, especially in the phallic stage.

Penis Envy

A concept in Freudian psychoanalysis describing a supposed emotion in which females envy males for having a penis, symbolically representing power or privilege.