MEDIUM
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IMPORTANT
Earn 100
Looking at the figure, state how the secondary immune response differs from the primary immune response.
Important Questions on Immunity
MEDIUM
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IMPORTANT
Explain why people are often ill for several weeks after they catch a disease, even though they can make antibodies against the disease.
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Look at the above figure, and explain why is it important that the constant region of all antibodies is the same.
MEDIUM
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Explain why the antibody molecules are shown in the above figure:
- Shows all four levels of protein structure.
- Is a glycoprotein.
EASY
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IMPORTANT
Explain why polysaccharides would not be suitable for making antibody molecules.
MEDIUM
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IMPORTANT
Use the concept of cell signalling to make a diagram showing how T-helper cells coordinate the activity of other lymphocytes during an immune response.
MEDIUM
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IMPORTANT
Outline the sequence of events that follows the release of a toxin by Corynebacterium diphtheria, the causative organism of diphtheria.
EASY
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IMPORTANT
Outline the sequence of events that follows the invasion of cells in the gas exchange system by the virus that causes measles.
EASY
AS and A Level
IMPORTANT
There are many strains of the rhinovirus, which cause the common cold. Explain why people can catch several colds in the span of a few months.
