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
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Christopher Columbus was the first person to discover the "New World"
Indicate whether the statement is true or false
Discuss how Belarus remains dependent on Russia
What will be an ideal response?
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.
Which of the following is the correct set of integer coefficients for the balanced equation respectively: ___ C5H12(g) + ___O2(g) ? ___CO2(g) + ___H2O(g)
A) 1, 5, 5, 6 B) 1, 8, 5, 6 C) 5, 1, 8, 6 D) 5, 12, 2, 4