Phagocytosis (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
Which line of defence does phagocytosis represent in the immune system?
Which line of defence does phagocytosis represent in the immune system?
Second line of defence
What are phagocytes?
What are phagocytes?
Specialised white blood cells
How many stages occur during the phagocytosis process?
How many stages occur during the phagocytosis process?
Five stages
In Stage 1, how do phagocytes move towards pathogens?
In Stage 1, how do phagocytes move towards pathogens?
Along a concentration gradient
What allows phagocytes to distinguish between harmful organisms and healthy cells?
What allows phagocytes to distinguish between harmful organisms and healthy cells?
Receptors on their membrane
What is a phagosome?
What is a phagosome?
A membrane-bound vesicle
In Stage 4, what fuses with the phagosome?
In Stage 4, what fuses with the phagosome?
Lysosomes
What process do lysozymes use to break down pathogens?
What process do lysozymes use to break down pathogens?
Hydrolysis
What type of immunity does phagocytosis provide?
What type of immunity does phagocytosis provide?
Rapid, non-specific immunity
Why is the hydrolysis reaction crucial in phagocytosis?
Why is the hydrolysis reaction crucial in phagocytosis?
It destroys pathogens completely