Second line of defence (Edexcel GCSE Biology Combined Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the main function of phagocytes?
What is the main function of phagocytes?
They digest pathogens
Where are antigens found?
Where are antigens found?
On the cell membrane of pathogens
Which type of cell produces antibodies?
Which type of cell produces antibodies?
B cells (B-Lymphocytes)
How specific are antibodies to antigens?
How specific are antibodies to antigens?
Each antibody is specific to one antigen
What is one way antibodies destroy microbes?
What is one way antibodies destroy microbes?
By punching holes in them
What are pathogens?
What are pathogens?
Microorganisms that cause disease
What is the function of anti-toxins?
What is the function of anti-toxins?
Counteract toxins produced by pathogens
What triggers the activation of a lymphocyte?
What triggers the activation of a lymphocyte?
Recognition of antigens
How do antibodies help phagocytes destroy pathogens?
How do antibodies help phagocytes destroy pathogens?
By sticking pathogens together
What role do B-Lymphocytes play in the immune system?
What role do B-Lymphocytes play in the immune system?
Involved in specific immune response