TASK DEFINITION: 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.
PROBLEM:  These two enhancer elements also enhanced transcription when fused separately to the basal promoter region of the chicken vimentin gene .

SOLUTION: chicken vimentin gene

PROBLEM:  Recombinant caspases are typically produced in Escherichia coli expression systems with the attendant problems of solubilization , re - folding and activation of the protease .

SOLUTION: Recombinant caspases

PROBLEM:  In addition , wild - type and mutated DNA templates were used as probes in DNase I protection experiments to determine sites of protein - DNA interaction .

SOLUTION:
DNase I