ANTI BODIES QUIZ

Which of the following are responsible for immune specificity?

Antigens

T lymphocytes

Macrophage

Antibodies

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Antibodies in the human immune system can identify approximately 108 different molecules Which one of the following is correct?

Most of these antibodies recognize small organic molecules

Most of these antibodies recognize proteins

This diversity is generated from 108 different immunoglobin genes

Many of these molecules are self-antigens

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Cleavage of an IgG molecule by a specific protease can produce

an inactive mixture of oligopeptides

two Fab fragments and one Fc fragment

two heavy chain-light chain dimers

an antigen-binding site and two constant regions

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Papain digest IgG into

two Fab fragments and two Fc fragments

two Fab fragments and one Fc fragment

three Fab fragments and three Fc fragments

three Fab fragments and two Fc fragments

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Which species lack immunoglobulin light chains?

Humans

Buffalo

Camels

cows

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Which of those immunoglobulin classes is mainly found in external secretions?

Ig M

IgE

Ig A

Ig D

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The human IgG class of antibodies is divided into

five IgG classes

four IgG classes

three IgG classes

two IgG classes

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Antibodies can be used

All of these

for protein purification

to catalyze chemical reactions

for the localization of proteins in the cell

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IgE provides

secretions in the body

All of these

complement killings of the cells and phagocytosis

immunity against some parasites

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Structures of anti-PCP antibody shows that the tight binding of PCP to the antibody is primarily due to

none of these

hydrophobic forces

electrostatic forces.

Van der Waals forces.

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