Which of these major scientific company mergers created the world's largest life sciences tools and diagnostics company when it was completed in 2014?

The scientific research and instrumentation landscape has been shaped by strategic mergers and acquisitions that combined innovative companies and technologies. These corporate unions have created powerhouses that drive discovery and development across various scientific fields. Test your knowledge of these influential scientific business combinations that have had lasting impacts on laboratories worldwide.

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Thermo Fisher Scientific's acquisition of Life Technologies for $13.6 billion
Danaher's acquisition of GE Biopharma (now Cytiva) for $21.4 billion
Merck KGaA's acquisition of Sigma-Aldrich for $17 billion
Agilent Technologies' acquisition of Varian Inc. for $1.5 billion