Correctly order the steps involved cellular immunity:
1) the tc recognizes the infected host...
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 t cell activates the tc cell
a.1,2,4,3
b. 4,2,1,3
c. 2,4,1,3
d. 2,1,3,4
Answers: 2
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Which of the following statements best describes the relationship between the environment and human health? a. the environment is the only factor that affects human health. b. many aspects of the environment can have an impact on human health. c. human health is impacted by changes in climate. d. the environment has no impact on human health. select the best answer from the choices provided
Answers: 2
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What macromolecule is produced during translation? a. carbohydrate b. rna c. dna d. protein
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