Correctly order the steps involved cellular immunity:

1. The Tc recognizes the infected host cell
2. The Tc interacts with epitope presented by MHC-I on the dendritic cell
3. The Tc secretes perforin and granzyme, causing apoptosis
4. The helper T cell activates the Tc cell
a. 2,1,3,4
b. 4,2,1,3
c. 2,4,1,3
d. 1,2,4,3


Ans: c. 2,4,1,3

Biology & Microbiology

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