Complex sentence: Although bioassays are beneficial in determining the biological activity within an organism, they can often be time-consuming, laborious, and organism-specific factors may result in data that isn't applicable to others in that species.
Split into simpler sentences: Although bioassays are beneficial in determining the biological activity within an organism, they can often be time-consuming and laborious. Organism-specific factors may result in data that is not applicable to others in that species.