For each of the following themes of biology chose a different concept from this chapter and explain how it provides a useful illustration of that theme

the answer to this question is a

c-reactive protein (crp) is an acute phase protein belonging to pentraxin family of proteins, whose levels increases 1000-fold or more in concentration in blood during the occurrence of an injury, inflammation or tissue death.

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added