The form of nitrogen used by plants to produce various amino acids, proteins, nucleic acids, and vitamins is .

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

Is dna the same in every cell in the human body explain your answer

Math focus 4. calculate a map has index contours at 250 m, 500 m, and 750 m. what is the contour interval?