In the Absence of Oxygen,can Cells Utilize the Electron Transport

question 35

Multiple Choice

In the absence of oxygen,can cells utilize the electron transport chain?

• A)Yes,all cells can make use of the electron transport chain in the absence of oxygen via fermentation.
• B)No,oxygen is a required cofactor for the complexes in the electron transport chain.
• C)Yes,in the case that a cell can use a terminal electron acceptor other than oxygen,it can make use of the electron transport chain.
• D)No,oxygen is the primary electron acceptor in electron transport chains in all cell types.

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Definitions:

Agonist

A substance that fully activates a receptor in the brain, mimicking the action of a naturally occurring neurotransmitter or hormone.

Schizophrenia

A long-term mental disorder involving a breakdown in the relation between thought, emotion, and behavior, leading to faulty perception, inappropriate actions and feelings, and a withdrawal from reality.

Dopamine

A neurotransmitter in the brain associated with pleasure, movement, and the reward system, influencing mood and behavior.

Neurotransmitter

Chemical substances in the nervous system that transmit signals between neurons.