The ________ of Aging Suggests That Oxygen Molecules That Have

question 221

Multiple Choice

The ________ of aging suggests that oxygen molecules that have an unstable electron cause damage to the structure of cells, increasing with age.

• A) wear-and-tear theory
• B) cellular clock theory
• C) disengagement theory
• D) free radical theory

---

Definitions:

Negative Reinforcement

A process in behaviorism where a behavior increases in frequency because it is followed by the removal or avoidance of an unpleasant stimulus.

Soft Drink Machine

A vending machine that dispenses carbonated beverages, typically operated by inserting money or tokens.

Negative Reinforcement

A behavioral principle where the removal of an undesirable or aversive stimulus following a behavior increases the likelihood of that behavior being repeated.

Intermittent Reinforcement

A conditioning schedule where a response is reinforced only some of the time, known to create strong and persistent behaviors.