Which of the following is true of the structure of immunoglobulins?

A) Each molecule is made up of two polypeptide chains.
B) Each molecule is made up of four different polypeptide chains.
C) Each molecule is made up of four identical polypeptide chains.
D) Each molecule is made up of two identical light chains and two identical heavy chains.


D

Environmental & Atmospheric Sciences

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A) 1, 5, 5, 6 B) 1, 8, 5, 6 C) 5, 1, 8, 6 D) 5, 12, 2, 4

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Saturation is best defined as:

A) the point when water molecules completely stop evaporating from a water surface. B) a mixing ratio of at least 100 g/kg. C) a vapor pressure greater than 1000 mb. D) equal numbers of water molecules evaporating from and condensing into a water surface.

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