What are the processes in which materials move through a cell membrane?

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

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

Dna replication or repair occurs in a cell in all of thw following situations except when