1. Which one is NOT an example of system biology?
(A) The overall effect of a drug that could lower blood pressure to the whole human body.
(B) The study of consequences of the water supply level of crops to the essential nutrition of human consumers.
(C)The study of the DNA molecules and the mechanism of DNA duplication.
(D) The study of how industrial releasing of CO2 to atmosphere alter ecosystem and the entire biosphere.
(E) The study of the effect of changing one variable to the responses of components of an agricultural system.