Chemistry/Biology help please!! Problem #2

A plant's cells have a solute potential (Ys) of 2.0 bars. Assume that the pressure potential (Tp) is - 1.0
bars. What is the water potential (Pw) of the plant?

One function of the immune system is to attack the foreign cells to protect the body. in organ translate , the body recongnizes that the new organ is made of foreign cells. wha kind of medicine would you give a patient to increase the chances of transplate success

Which member of the following food chain will be least affected by ddt, a pesticide water pollutant, if bio-magnification is occurring? algae> zooplankton> crayfish> leopard frog> large mouth bass

Why is the sun hot and can burn you if you get to close