EASY
AS and A Level
IMPORTANT
Earn 100
Phagocytes and lymphocytes are both present in samples of blood.
Describe how the structure of a phagocyte differs from the structure of a lymphocyte.
Important Questions on Immunity
MEDIUM
AS and A Level
IMPORTANT
Using the ABO blood group system as an example, explain why red blood cells can be recognised as self or as non-self.
MEDIUM
AS and A Level
IMPORTANT
Explain why the blood of type B is not given to someone with blood type A during a blood transfusion.
MEDIUM
AS and A Level
IMPORTANT
Some people say that in an immune response a pathogen chooses the lymphocytes that will destroy them. Do you agree?
MEDIUM
AS and A Level
IMPORTANT
Looking at the above figure, explain why only cells in clone Y have responded to the antigen.
EASY
AS and A Level
IMPORTANT
The diagram shows an antibody molecule.
The regions X and Y.
EASY
AS and A Level
IMPORTANT
The diagram shows an antibody molecule.
The bond labelled Z.
EASY
AS and A Level
IMPORTANT
Describe briefly how antibody molecules are produced and secreted.
EASY
AS and A Level
IMPORTANT
Explain how the structure of an antibody is related to its function.
