Anti Bodies

Question: Which species lack immunoglobulin light chains?
[A].

Camels

[B].

Humans

[C].

cows

[D].

Buffalo

Answer: Option A

Explanation:

No answer description available for this question.

Question: Antibodies can be used
[A].

for the localization of proteins in the cell

[B].

for protein purification

[C].

to catalyze chemical reactions

[D].

all of the above

Answer: Option D

Explanation:

No answer description available for this question.

Question: Type A blood
[A].

can be used to donate to type AB individuals

[B].

can be used to donate to type B individuals

[C].

contains type B antigens on the surface of red blood cells

[D].

can always be used to donate to an Rh+ individual

Answer: Option A

Explanation:

No answer description available for this question.

Question: Structures of anti-PCP antibody shows that the tight binding of PCP to the antibody is primarily due to
[A].

hydrophobic forces

[B].

electrostatic forces.

[C].

Van der Waals forces.

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Question: Antibodies in the human immune system can identify approximately 108 different molecules Which one of the following is correct?
[A].

This diversity is generated from 108 different immunoglobin genes

[B].

Many of these molecules are self-antigens

[C].

Most of these antibodies recognize proteins

[D].

Most of these antibodies recognize small organic molecules

Answer: Option C

Explanation:

No answer description available for this question.

Question: Antigenic determinants bind to which portions of an antibody?
[A].

Variable regions

[B].

Constant regions

[C].

Only light chains

[D].

Only heavy chains

Answer: Option A

Explanation:

No answer description available for this question.

Question: The immunoglobulin fold is
[A].

found only in IgG molecules

[B].

a β-barrel composed of a three- and a four-stranded antiparallel β-sheet

[C].

both (a) and (b)

[D].

found six times in the IgG molecule

Answer: Option B

Explanation:

No answer description available for this question.

Question: Antibodies of the IgG class
[A].

consist of four subunits

[B].

are glycoproteins

[C].

are secreted into the bloodstream

[D].

all of the above

Answer: Option D

Explanation:

No answer description available for this question.

Question: Cleavage of an IgG molecule by a specific protease can produce
[A].

an antigen-binding site and two constant regions

[B].

two heavy chain-light chain dimers

[C].

an inactive mixture of oligopeptides

[D].

two Fab fragments and one Fc fragment

Answer: Option D

Explanation:

No answer description available for this question.

Question: IgE provides
[A].

immunity against some parasites

[B].

complement killings of the cells and phagocytosis

[C].

secretions in the body

[D].

all of the above

Answer: Option A

Explanation:

No answer description available for this question.