Hemoglobin Contains Iron

question 30

Multiple Choice

Hemoglobin contains iron.The iron is an example of a(n)

• A) cofactor.
• B) heme.
• C) enzyme.
• D) coenzyme.
• E) metal.

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Definitions:

Midbrain

The central part of the brainstem that connects the hindbrain and forebrain, playing a key role in vision, hearing, motor control, sleep/wake, arousal, and temperature regulation.

Limbic System

A group of interconnected brain structures responsible for regulating emotions, memory, and arousal responses.

Emotions

Complex psychological states that involve physiological arousal, feelings, cognitive processes, and behavioral reactions.

Memory

The ability of the mind to store and recall information, experiences, and perceptions, which is fundamental to learning and adaptation.