The Major Steps in the Electron Transport Chain Include

question 42

Multiple Choice

The major steps in the electron transport chain include

• A) removal of hydrogen atoms from a substrate molecule by coenzymes.
• B) ionization of hydrogen atoms.
• C) increasing the energy level of electrons passing through the electron transport chain.
• D) the loss of electrons by oxygen atoms.
• E) all of the above

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Definitions:

Vasodilation

The widening of blood vessels, which decreases blood pressure and increases blood flow to tissues.

Vasoconstriction

The constriction of the muscular wall of an artery to increase blood pressure.

Dysrhythmia

An abnormal heart rhythm.

Potassium Ions

Positively charged atoms of potassium that play crucial roles in cellular and electrical functions within the body.