What Happens in an Electron Transport Chain

question 37

Multiple Choice

What happens in an electron transport chain?

• A) Electrons move from a low energy level to a higher energy level.
• B) Electron movement generates energy which can be harvested.
• C) Electrons combine with hydrogen ions to generate electron carriers, like NADH.
• D) Energy is consumed.
• E) The energy generated is used to break down coenzymes like NADH and ATP.

---

Definitions:

Facial Expressions

Physical manifestations of emotions and feelings through movements and changes in the facial muscles.

Emotion

Intricate mental states characterized by personal feelings, bodily reactions, and actions or expressive behaviors.

Catharsis Hypothesis

The idea that expressing or venting emotions can lead to a reduction in emotional stress or improvement in psychological well-being.

Cannon-Bard Theory

A theory of emotion proposing that emotions and physiological reactions, such as sweating and trembling, occur simultaneously following a stimulating event.