Question 19
Question 19 of 40
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No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
10. Diseases and immunity
10.1. Diseases and immunity

State that each pathogen has its own antigens, which have specific shapes

5. Enzymes
5.1. Enzymes

Explain the specificity of enzymes in terms of the complementary shape and fit of the active site with the substrate