Answer: Acquired Active Immune Response System
Explanation:
Vaccines are substances that are prepared from the causative agent of a disease or its synthetic substitute, which is treated to mimic the actual antigen of the disease. This artificial antigen of the disease, thereby stimulates the production of antibodies that helps in fighting the disease and also provides immunity against the disease in the body.
A primary response system is stimulated in the presence of the vaccine, which acts as an antigen. In this way, an artificially acquired active immune response system is created naturally using vaccines.
Answer:
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Explanation:
The hypothesis of microspheres builds off of the RNA world hypothesis. If RNA molecules could self-replicate, it would mean that whenever a microsphere split, the early genetic coding in the RNA would pass to the newly formed microspheres.
C is the correct answer to this question
