At What Point Is Oxygen Used in the Electron Transport

question 84

Multiple Choice

At what point is oxygen used in the electron transport chain? ​

• A)at the end
• B)at every step
• C)at the beginning
• D)when ATP is synthesized

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Definitions:

Frugal

Characterized by thriftiness and economical use of resources, avoiding waste and unnecessary expense.

Absolute Threshold

The minimum intensity of stimulation required to produce a sensory experience or for a stimulus to be detected 50% of the time.

Just Noticeable Difference

The minimum amount by which stimulus intensity must be changed in order to produce a noticeable variation in sensory experience.

Action Potentials

Quick electrical impulses that travel down the axon of a neuron, triggering the release of neurotransmitters at synapses.