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The antigen-antibody immunological reaction is used to be regarded as typical of immunological responses. Antibodies are proteins synthesized by specialized cells called plasma cells, which are formed by lymphocytes (cells from the lymph system) when an antigen, a substance foreign to an organism's body, comes in contact with lymphocytes. Two important manifestations of antigen-antibody immunity are lysis, the rapid physical rupture of antigenic cells and the liberation of their contents into the surrounding medium, and phagocytosis, a process in which antigenic particles are engulfed by and very often digested by macrophages and polymorphs. The process of lysis is executed by a complex and unstable blood constituent known as complement, which will not work unless it is activated by a specific antibody; the process of phagocytosis is greatly facilitated when the particles to be engulfed are coated by a specific antibody directed against them.

One of the two important manifestations of antigen-antibody immunity is lysis while the other is

In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phrase and click the button corresponding to it.

Pick to pieces

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/Phrase.
Make one's flesh creep

In the following question, a word has been written in four different ways out of which only one is correctly spelt. Select the correctly spelt word.

Where is Hambantota Port located?

If a budget is defeated in the legislature of a state then

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form acoherent paragraph.

If your ward talks

A-well to convince you, be

B-social and interpersonal creativity

C-proud that he or she has

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

To invent (something) in order to deceive.