P680⁺ Is Said to Be the Strongest Biological Oxidizing Agent

question 41

Multiple Choice

P680⁺ is said to be the strongest biological oxidizing agent. Why?

• A) It is the receptor for the most excited electron in either photosystem.
• B) It is the molecule that transfers electrons to plastoquinone (Pq) of the electron transfer system.
• C) It transfers its electrons to reduce NADP⁺ to NADPH.
• D) This molecule has a stronger attraction for electrons than oxygen, to obtain electrons from water.
• E) It has a positive charge.

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Definitions:

Subconscious Motives

Underlying drives and desires that influence behavior and thought processes without the individual's conscious awareness.

Personality Psychology

A branch of psychology that studies personality and its variation among individuals, focusing on the psychological patterns underlying behaviors and thoughts.

Freud

Sigmund Freud was an Austrian neurologist and the founder of psychoanalysis, a clinical method for treating psychopathology through dialogue between a patient and a psychoanalyst.

Conscious Level

The immediate awareness of one's thoughts, feelings, and sensations at any given moment, also referred to as consciousness.