--%>
Assignment Help - homework help

Natural and artificial active immunization

What do you mean by the natural active immunization and artificial active immunization?

E

Expert

Verified

Natural active immunization refers to that where a previous natural infection induces a primary immune response, specific memory cells are generated and individual becomes immune to the new infections with antigen. This is what occurs in the diseases which affect people only once in the life, such as chickenpox and mumps. Artificial active immunization is that where the primary immune response is caused due to the inoculation into an individual of the specially prepared antigens. This is the case with the vaccines.

   Related Questions in Biology

  • Q : Into which subphyla are the

    Into which subphyla are the protochordates classified? Write some representatives of each and every protochordate subphylum?

    		•
  • Q : Cytoplasmic inclusions Briefly define

    Briefly define cytoplasmic inclusions?

    		•
  • Q : Mitosis An oak tree cell with 14

    An oak tree cell with 14 chromosomes undergoes mitosis. How many daughter cells are formed, and what is the chromosome number in each cell? If the same cell had undergone meiosis, how many cells would have resulted, and what would have been the chromosome number in each?

    		•
  • Q : Define the term crossing over Define

    Define the term crossing over? In what period of meiosis does this event take place?

    		•
  • Q : Competitive Pressures - Organizational

    Still another reason for the emergence of the importance of diversity to organizations is the realization that diversity can help them meet the competitive pressures they currently face. Firms that aggressively try to hire and promote women and minorities are going to end up with a more talented

    		•
  • Q : Nature of Conflict - Organizational

    In the context of an organization, broad features of a conflict are as under: i.  Conflict occurs when individuals are not able to choose among the available alternative courses of action. ii. Conflict between two individuals implies that they have conflicting perceptions, va

    		•
  • Q : Describe crystallization of a virus

    Describe crystallization of a virus? What is the significance of this procedure?

    		•
  • Q : Current Psychology - Perception Factor

    The emotional and psychological states of an individual are likely to influence how things are perceived. If a person is depressed, he is likely to perceive the same situation differently than if he is elated.

    		•
  • Q : Data processing environment-Market

    Data processing environment: The solution to the issue of demand and supply needs noteworthy quantity of computer resources, for both run-time necessities and the data storage necessities as is depicted by planning systems of the nature described in c

    		•
  • Q : Cellular functions of potassium State

    State the main cellular functions of potassium?

    		•