The phrase "a key prerequisite to" is correct and usable in written English.
It can be used when discussing something that is essential or necessary before another action or condition can occur.
Example: "Having a solid understanding of basic mathematics is a key prerequisite to succeeding in advanced physics courses."
Alternatives: "an essential requirement for" or "a crucial condition for".
Charge balancing over membranes is a key prerequisite to realistically describe electron transfer chains required for ATP biosynthesis.
"The top level seemed to be in agreement with the economic priorities that the secretary had identified". Commerce believed it was best suited to incubating private-sector food producers and distributors -- a key prerequisite to dismantling the ration system.
An understanding of the likely pattern of dry deposition of small particles over a landscape is a key prerequisite to designing strategies for sampling ground contamination following routine or accidental releases to atmosphere.
A key prerequisite to make user instruction of work tasks by interactive demonstration effective and convenient is situated multi-modal interaction aiming at an enhancement of robot learning beyond simple low-level skill acquisition.
This paper complements this work by proposing a representation scheme that is a key prerequisite to achieving the interoperability between PSS-CAD systems which would be necessary to support the deployment of integrated PSS development processes in industry.
Furthermore, we propose how to implement quantum repeaters in the microwave regime without using photodetection, a key prerequisite to achieve long distance entanglement distribution.
Another key prerequisite to maintaining a successful screening programme is acceptability, and the ≥ 90% reattendance rate among previous screenees indicated high acceptability in UK women [ 4].
The results of our study further underscore the fact that the ability to correctly implement a glucose management protocol is the key prerequisite to successful and safe glucose control in critically ill patients.
Liquid water is essential to life as we know it and is believed to be the key prerequisite to finding life on other planets.
Production of matrix metalloproteinases (MMPs) by synovial tissue appears to be a key prerequisite for synovial tissue to invade and destroy cartilage.
It is assumed that the cell envelope structure of Archaea is a key prerequisite for these organisms to be able to dwell under extreme environmental conditions such as temperatures up to 120 °C, pH down to 0, high hydrostatic pressure, or high salt concentrations (De Rosa, 1996; Stetter, 1999; Hanford & Peeples, 2002; Albers & Meyer, 2011).
