A substance used in a vaccination that consists of pathogens that have been weakened or killed but can still trigger the body to produce chemicals that destroy the pathogens.

DIVERSITY AMONG LIFE FORMS

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	Vaccine
B	Bacteria
C	Virus
D	Endospore

Explanation:

Detailed explanation-1: -Vaccines contain weakened or inactive parts of a particular organism (antigen) that triggers an immune response within the body. Newer vaccines contain the blueprint for producing antigens rather than the antigen itself.

Detailed explanation-2: -Whole-cell inactivated vaccines contain bacteria or viruses that have been killed through a physical or chemical process. Whole-cell inactivated viral vaccines against polio, hepatitis A, and rabies are available in the United States.

Detailed explanation-3: -Live, attenuated vaccines fight viruses and bacteria. These vaccines contain a version of the living virus or bacteria that has been weakened so that it does not cause serious disease in people with healthy immune systems.

Detailed explanation-4: -Inactivated (Killed) Vaccines To produce this type of vaccine, bacteria or viruses are killed or inactivated by a chemical treatment or heat.

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LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

DIVERSITY AMONG LIFE FORMS