How does a vaccine protect a person?
Answer and explanation
Correct answer: C. It triggers antibody production and memory cells
- Step 1: The antigen in the vaccine prepares the immune system for a later infection.
Answer
It triggers antibody production and memory cells.
Why not the others: Ready-made antibodies are the principle of a serum.
Practise more Biology.
Free questions with an explanation for every one, and full timed FUVEST (University of São Paulo Entrance Exam) mock tests.
More Biology questions
- Which organelle produces most of the ATP in a eukaryotic cell?
- In DNA, which base pairs with adenine?
- What are the main products of photosynthesis?
- Two heterozygous plants (Aa x Aa) are crossed. What phenotype ratio is expected if A is completely dominant?
- What is the result of meiosis in a diploid cell?
- What is the role of ribosomes in the cell?