A recombinant protein is expressed in E. coli under T7 promoter at 37 ᵒ C. However no biological activity is obtained in
Mechanistically, quantitative reasoning involves ratio, percentage and series logic determine correct calculation. This validates recombinant protein is properly folded at low temperature because it meets mathematical and logical criteria, a pattern repeatedly demonstrated in aptitude and reasoning research.
Ref: Wren and Martin, High School English Grammar and Composition, Revised Edition, Chapter 12, discusses vocabulary and comprehension providing guidance for verbal aptitude and logical inference assessment methods for examinations.