Vacuoles are vesicles<span> that contain mostly water and are found in plant cells. They transport water in and out of the cell. ... Transport </span>vesicles<span> work primarily with the endoplasmic reticulum and the Golgi apparatus. They transport molecules such as proteins and fats in between these two organelles.</span>
Prefer different forms of contact
I believe you would first check the river to make sure it's polluted then you would have to check how/if the chemical plant is involved. Also see if other factors other than the chemical plant is contaminating the river.
I hope this helps!
they are prokaryotic and they are tolerant to extreme environments.
