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Questions and Answers
Immunoglobulins have primarily been found only in the blood plasma.
Immunoglobulins have primarily been found only in the blood plasma.
False (B)
Each antibody has at least two identical sites that bind antigens.
Each antibody has at least two identical sites that bind antigens.
True (A)
The heavy chain of immunoglobulins is divided into 4 major classes based on heavy chain types (VH, CH1, CH2, CH3).
The heavy chain of immunoglobulins is divided into 4 major classes based on heavy chain types (VH, CH1, CH2, CH3).
False (B)
IgG reacts best at cold temperatures.
IgG reacts best at cold temperatures.
Allergic antibodies are best known for their role in facilitating phagocytosis.
Allergic antibodies are best known for their role in facilitating phagocytosis.
Immunoglobulin G is the only antibody that can pass through the placenta.
Immunoglobulin G is the only antibody that can pass through the placenta.
The heavy chain of an antibody consists of VH, CH1, CH2, CH3, and CH4 regions.
The heavy chain of an antibody consists of VH, CH1, CH2, CH3, and CH4 regions.
The light chain of an antibody includes VL and CL regions.
The light chain of an antibody includes VL and CL regions.
Immunoglobulin M is the largest immunoglobulin and is the first to appear after antigen stimulation.
Immunoglobulin M is the largest immunoglobulin and is the first to appear after antigen stimulation.
The variable region of an antibody has a fixed amino acid sequence.
The variable region of an antibody has a fixed amino acid sequence.