Answer:
secrete a cytokine that triggers apoptosis
Explanation:
Cytotoxic T cells secrete granzymes and perforins when targeting cells. Additionally they secrete cytokines such as IFN-, TNF-α and TNF-β that act to activate macrophages and help kill infected cells.
Single circular piece of DNA
I believe your answer would be ecological succession
That illegal subtances is Marijuana or cocaine i guess but i dont know if that is the right answee
<span>The genetic code is the key for the conversion of DNA nucleotide sequences
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