Biology
Biology, 21.10.2020 16:01, marissarsmith8205

When an enemy cell is present, a(n) secretes perforins, which bore a hole in the enemy cell membrane. a. interleukin
b. antibody
c. interferon
d. natural killer cell
e. opsonization

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When an enemy cell is present, a(n) secretes perforins, which bore a hole in the enemy cell membran...

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