Research as shown to support that if students pay attention in class have highet test scores. what is the independent variable

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.

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

Describe the two types of vascular tissue