Cell Recognition & the Immune System (AQA A-Level Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does humoral immunity involve circulating in blood plasma and tissue fluids?
What does humoral immunity involve circulating in blood plasma and tissue fluids?
Antibodies
How does an antibody bind to its specific antigen?
How does an antibody bind to its specific antigen?
Lock and key mechanism
By what process does an antigen enter a B cell after binding?
By what process does an antigen enter a B cell after binding?
Endocytosis
What is clonal selection?
What is clonal selection?
Rapid division creating identical B cells
Approximately how many antibodies can each plasma cell produce per second?
Approximately how many antibodies can each plasma cell produce per second?
2000
Which cells have a longer lifespan?
Which cells have a longer lifespan?
Memory cells (survive for decades)
What do memory cells do during their resting state?
What do memory cells do during their resting state?
Do not actively produce antibodies
How does the secondary immune response compare to the primary response?
How does the secondary immune response compare to the primary response?
Faster and produces more antibodies
Which cells are responsible for the primary immune response?
Which cells are responsible for the primary immune response?
Plasma cells
What activates a B cell after it presents processed antigens on its surface?
What activates a B cell after it presents processed antigens on its surface?
Helper T cells bind to the antigens