Question

From which the word 'structure' is derived?

Answer 1

Answer:-

Here are two versions of my rewriting of the sentence with the caveat that this is my interpretation based on only this sentence. It might change if I had access to the whole paragraph/other context.

The medicines are designed to cure the diseases these microorganisms cause. The description of these microorganisms' responses to the medicines is offered as support for the (a?) conclusion.

The description of how the microorganisms respond to the medicines designed to cure the diseases those microorganisms cause supports the conclusion.