Biology is a branch of science that deals with living organisms and their vital processes.
Chemistry is the science that deals with the properties, composition, and structure of substances
Physics is the natural science that studies matter, its motion and behavior through space and time, and the related entities of energy and force
Answer
B) Glucose molecules will diffuse out of the cell.
It should be natural selection since there is no external influence implied. (like environment or genetic mutations.)
The quicker the regulation, the less energy and material wasted to unneeded products and pathways.