T-lymphocytes & Cell Mediated Immunity (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 is an antigen?
What is an antigen?
Any part recognised as non-self by immune
Where do B lymphocytes mature?
Where do B lymphocytes mature?
Bone marrow
Where do T lymphocytes mature?
Where do T lymphocytes mature?
Thymus gland
What do T lymphocytes target directly?
What do T lymphocytes target directly?
Infected body cells
Which cells can trigger cell-mediated immunity?
Which cells can trigger cell-mediated immunity?
Cancer cells with abnormal antigens
What activates a helper T cell?
What activates a helper T cell?
Receptors binding to presented antigens
How do activated T cells undergo clonal expansion?
How do activated T cells undergo clonal expansion?
Rapid division by mitosis
What do memory cells produced from T cells do?
What do memory cells produced from T cells do?
Provide rapid response to future infection
How do cytotoxic T cells kill infected cells?
How do cytotoxic T cells kill infected cells?
Produce perforin to create holes in membrane
Why is killing infected cells effective against viruses?
Why is killing infected cells effective against viruses?
Prevents viruses from replicating inside