What does a vaccine contain that protects a person from infection?
A - OCR Gateway - GCSE Biology - Question 10 - 2019 - Paper 4
Question 10
What does a vaccine contain that protects a person from infection?
A. Antibiotics that will attach to antigens.
B. Antigens that will stimulate antibody production... show full transcript
Worked Solution & Example Answer:What does a vaccine contain that protects a person from infection?
A - OCR Gateway - GCSE Biology - Question 10 - 2019 - Paper 4
Step 1
A. Antibiotics that will attach to antigens.
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Answer
This option is incorrect because antibiotics act on bacteria and do not attach to antigens.
Step 2
B. Antigens that will stimulate antibody production.
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Answer
This option is correct. Vaccines contain antigens that are designed to stimulate the immune system to produce antibodies, thereby providing protection against specific infections.
Step 3
C. Antibiotics that kill pathogens.
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Answer
This option is incorrect. Antibiotics are used to treat bacterial infections but are not components of vaccines.
Step 4
D. Antivirals that destroy viruses.
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Answer
This option is incorrect as antivirals are treatments for viral infections but do not serve as a component of vaccines.
