The phrase "one final step" is grammatically correct and can be used in written English.
You could use it when you are referring to a process that is nearly complete and needs only one more step to be finalized. For example: "We've taken all the necessary steps, now all we need is one final step to make this project a success."
L. edodes phytase was purified by utilizing an isolation protocol that included one step of extraction with distilled water, three unsuccessive steps of ion-exchange chromatography on DEAE-cellulose, CM-cellulose, and Q-Sepharose, an affinity chromatography step on, and one final step of FPLC on a Superdex 75 column.
One final step would be to perform a thorough penetration test on the code and systems behind the feature.
There is one final step for anyone who grows lilacs.
So now it is a question of whether Murray can make that one final step and win a slam.
Yet there is one final step needed to end unfair and cruel discrimination against same sex couples, and it would appear that a majority of Australians believe this is a step we should take.
They needed Obama to "take one final step in his evolution … clearly stating that the administration believed that bans like Proposition 8 were not just bad policy, but they also violated the Constitution".
The thermocycling conditions included an initial denaturation at 95 °C for 7 min, followed by 30 cycles comprising of a 30-s denaturation step at 95 °C, a 30-s annealing step at 55 °C, and a 4-min elongation step at 72 °C, and one final elongation step carried out at 72 °C for 10 min.
Selection of the candidates consisted of two steps: one pre-selection step, where selection was for GROWTH and one final selection step, where selection was for the SIB_TRAIT.
The amplification program consisted of a preincubation step (95°C for 5 min), followed by 35 cycles consisting of a denaturation step (95°C for 30 s), an annealing step (56°C for 30 s) and an extension step (72°C for 30 s), and then one final extension step (72°C for 7 min).
One final important step made since 1976 concerns the computer-aided interpretation.
With only one final separation step and the use of non-hazardous reagents, the synthesis of our metal/exGR-Fe(III) nanohybrids is very attractive.
