The Interaction of Several Polypeptide Chains in a Hemoglobin Molecule

question 40

Multiple Choice

The interaction of several polypeptide chains in a hemoglobin molecule is its ____ structure.

• A) primary
• B) secondary
• C) tertiary
• D) quaternary
• E) combined

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Definitions:

Potassium Ions

Charged atoms of potassium that play critical roles in physiological processes such as nerve signal transmission and muscle contraction.

Negatively Charged

Describes an object or particle that has more electrons than protons, resulting in a surplus of negative electrical charge.

Smaller

Having reduced size or less magnitude in comparison to something else.

Neural Impulse

An electric impulse traversing through a neuron, facilitating interactions between neurons or between neurons and muscle tissue.