In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.
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Question:  Both RNA14 and RNA15 wild - type genes , when cloned on a multicopy plasmid , are able to suppress the temperature - sensitive phenotype of strains bearing either the rna14 or the rna15 mutation , suggesting that the encoded proteins could interact with each other .

Answer: rna15 mutation


Question:  Tumor necrosis factor levels were measured by enzyme - linked immunoabsorbent assay in plasma samples obtained from the hyperthermic isolated limb perfusion circuit and systemic circulation .

Answer: Tumor necrosis factor


Question:  The D443N substitution is an activating mutation that increases the activity of SCAP and renders it resistant to inhibition by 25 - hydroxycholesterol .

Answer:
D443N substitution