Problem:
Question 1: Write down Ficks first law of diffusion and discuss it. What is the meaning of the symbols in the equation?
Question 2: The poison cyanide acts by binding irreversibly to one of the components of the electron transport chain, blocking its action. As a result, the entire electron transport process comes to a screeching halt and the cells lose 94% of their ATP-producing capacity. Considering the types of cellular activities that depend on energy expenditure, what would be the consequences of cyanide poisoning?
Question 3: Briefly compare positive and negative feedback. Choose and discuss with details one of the processes for each of the two feedback mechanisms.
I dont need long explanation. Just few sentences of expanation.