What are the answer choices?
The relationship between osmosis and aquaporins are usually found is some vital physiological functions like the water re-absorption in the kidney. It is even found in the secretion of the glands and airways. Also in the water hemeostatis in the brain. In this functions osmotic waters transports in aquaporins.
I think the correct answer is A
She could remove the stem of a flower of the same species and place it back in the red-coloured water as a control experiment and observe if a colour change takes place. If not, then it confirms her hypothesis.