Qs 21-30

Question 1

Protein A can bind to?

Answer 1

The Fc site of the antibody.

Question 2

Prozone is:

Answer 2

Inability to cause agglutination with excess antibodies.

Question 3

Which is the characteristic that best defines the acquired immune response?

Answer 3

It exhibits immunological memory.

Question 4

An isolated antigen determination that has the ability to react specifically with antibodies but cannot induce formation is called?

Answer 4

Hapten

Question 5

The basic immunoglobulin unit is composed of?

Answer 5

Two identically heavy and two identically light chains.

Question 6

A fragment antigen binding fragment:

Answer 6

Binds antigen.

Question 7

Pattern recognition receptors include:

Answer 7

Toll-like recepiors (TlR)

Question 8

Polyacrylamide (PAA) gel is prepared by polymerization after:

Answer 8

Pouring of a PAA solution into a cassette created by two glass plates.

Question 9

Antibodies are added into the agarose for:

Answer 9

Single radial immunodiffusion

Question 10

In ELISA tests, substrate is used for?

Answer 10

visualization of the reaction.