Interferons:

Interferons:



a. are antibacterial agents produced by skin, GIT, and lung cells
b. are secreted by eukaryotic cells in response to intracellular infection
c. only produced by activated phagocytes
d. are host-specific and virus-specific
e. can block virus replication


Answer: b. are secreted by eukaryotic cells in response to intracellular infection


Learn More :